Zygote:1-cell anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere unfertilized egg yolk embryonic structure blastodisc extraembryonic structure chorion whole organism female organism embryo Cleavage:2-cell anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere yolk embryonic structure blastodisc extraembryonic structure chorion whole organism female organism embryo anatomical set Cleavage:4-cell anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere yolk embryonic structure blastodisc extraembryonic structure chorion whole organism female organism embryo anatomical set Cleavage:8-cell anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere yolk embryonic structure blastodisc extraembryonic structure chorion whole organism female organism embryo anatomical set Cleavage:16-cell anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere marginal blastomere yolk embryonic structure blastodisc extraembryonic structure chorion whole organism female organism embryo anatomical set Cleavage:32-cell anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere marginal blastomere yolk embryonic structure blastodisc extraembryonic structure chorion whole organism female organism embryo anatomical set Cleavage:64-cell anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere deep blastomere marginal blastomere superficial blastomere yolk embryonic structure blastodisc extraembryonic structure chorion whole organism female organism embryo anatomical set Blastula:128-cell anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere deep blastomere marginal blastomere superficial blastomere yolk embryonic structure blastodisc extraembryonic structure chorion whole organism female organism embryo anatomical set Blastula:256-cell anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere deep blastomere marginal blastomere superficial blastomere yolk embryonic structure blastodisc extraembryonic structure chorion whole organism female organism embryo anatomical set Blastula:512-cell anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere deep blastomere marginal blastomere superficial blastomere yolk embryonic structure blastodisc extraembryonic structure chorion whole organism female organism embryo anatomical set Blastula:1k-cell anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere deep blastomere marginal blastomere YSL superficial blastomere yolk embryonic structure blastodisc extraembryonic structure chorion whole organism female organism embryo anatomical set Blastula:High anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere deep blastomere marginal blastomere YSL organizer inducing center superficial blastomere yolk embryonic structure blastodisc extraembryonic structure chorion portion of tissue whole organism female organism embryo anatomical set anatomical cluster Blastula:Oblong anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere deep blastomere marginal blastomere YSL E-YSL I-YSL organizer inducing center superficial blastomere yolk embryonic structure blastodisc extraembryonic structure chorion portion of tissue whole organism female organism embryo anatomical set anatomical cluster Blastula:Sphere anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere deep blastomere marginal blastomere YSL E-YSL I-YSL organizer inducing center superficial blastomere yolk embryonic structure blastodisc presumptive brain presumptive structure presumptive blood presumptive ectoderm presumptive endoderm presumptive mesoderm presumptive dorsal mesoderm presumptive paraxial mesoderm presumptive ventral mesoderm presumptive neural plate extraembryonic structure chorion portion of tissue whole organism female organism embryo anatomical set anatomical cluster reproductive system primordial germ cell Blastula:Dome anatomical line groove anatomical space anatomical structure acellular anatomical structure cell blastomere deep blastomere marginal blastomere YSL E-YSL I-YSL organizer inducing center superficial blastomere yolk embryonic structure blastodisc presumptive brain presumptive structure presumptive blood presumptive ectoderm presumptive endoderm presumptive mesoderm presumptive dorsal mesoderm presumptive paraxial mesoderm presumptive ventral mesoderm presumptive neural plate extraembryonic structure chorion portion of tissue whole organism female organism embryo anatomical set anatomical cluster reproductive system Blastula:30%-epiboly anatomical line groove anatomical space anatomical structure acellular anatomical structure cell yolk YSL E-YSL I-YSL organizer inducing center embryonic structure blastoderm blastoderm cell DEL EVL margin presumptive brain presumptive structure presumptive blood presumptive ectoderm presumptive endoderm presumptive mesoderm presumptive dorsal mesoderm presumptive paraxial mesoderm presumptive ventral mesoderm presumptive neural plate presumptive shield extraembryonic structure chorion portion of tissue whole organism female organism embryo anatomical set anatomical cluster reproductive system Gastrula:50%-epiboly anatomical line groove anatomical space anatomical structure acellular anatomical structure cell yolk YSL E-YSL I-YSL organizer inducing center embryonic structure blastoderm blastoderm cell DEL EVL forerunner cell group margin noninvoluting endocytic marginal cell cluster presumptive brain presumptive structure presumptive blood presumptive ectoderm presumptive endoderm presumptive mesoderm presumptive dorsal mesoderm presumptive paraxial mesoderm presumptive ventral mesoderm presumptive neural plate presumptive shield extraembryonic structure chorion organism subdivision axis portion of tissue whole organism female organism embryo anatomical set anatomical cluster reproductive system gastrula cell Gastrula:Germ-ring anatomical line groove anatomical space anatomical structure acellular anatomical structure cell yolk YSL E-YSL I-YSL organizer inducing center embryonic structure blastoderm blastoderm cell DEL epiblast EVL forerunner cell group germ ring hypoblast margin presumptive brain presumptive structure presumptive blood presumptive ectoderm presumptive endoderm presumptive mesoderm presumptive dorsal mesoderm presumptive paraxial mesoderm presumptive ventral mesoderm presumptive neural plate presumptive shield extraembryonic structure chorion organism subdivision axis portion of tissue whole organism female organism embryo anatomical set anatomical cluster reproductive system gastrula cell Gastrula:Shield anatomical line groove anatomical space anatomical structure acellular anatomical structure cell yolk YSL E-YSL I-YSL organizer inducing center embryonic structure blastoderm blastoderm cell DEL epiblast EVL forerunner cell group germ ring hypoblast margin presumptive brain presumptive forebrain presumptive hindbrain presumptive midbrain presumptive spinal cord presumptive structure presumptive blood presumptive ectoderm presumptive endoderm presumptive mesoderm presumptive dorsal mesoderm presumptive paraxial mesoderm presumptive ventral mesoderm presumptive neural plate anterior presumptive neural plate posterior presumptive neural plate shield extraembryonic structure chorion organism subdivision axis portion of tissue whole organism female organism embryo anatomical set anatomical cluster reproductive system gastrula cell presumptive cardinal organ presumptive organ presumptive organ system Gastrula:75%-epiboly anatomical line groove anatomical space anatomical structure acellular anatomical structure cell ectodermal cell endodermal cell mesodermal cell muscle precursor cell yolk YSL E-YSL I-YSL embryonic structure blastoderm blastoderm cell Brachet's cleft DEL epiblast EVL forerunner cell group germ ring hypoblast axial hypoblast anterior axial hypoblast axial mesoderm axial chorda mesoderm prechordal plate dorsal axial hypoblast margin presumptive brain presumptive cephalic mesoderm presumptive floor plate presumptive forebrain presumptive forebrain midbrain boundary presumptive hindbrain presumptive midbrain presumptive midbrain hindbrain boundary presumptive segmental plate presumptive spinal cord presumptive structure presumptive blood presumptive hypochord presumptive mesoderm mesoderm ventral mesoderm presumptive paraxial mesoderm presumptive neural plate anterior presumptive neural plate neural plate posterior presumptive neural plate extraembryonic structure chorion organism subdivision axis portion of tissue neuroectoderm non neural ectoderm preplacodal ectoderm primary germ layer ectoderm endoderm whole organism female organism embryo anatomical set anatomical cluster reproductive system presumptive cardinal organ presumptive organ presumptive organ system Gastrula:90%-epiboly anatomical line groove anatomical space anatomical structure acellular anatomical structure cell endodermal cell yolk YSL E-YSL I-YSL embryonic structure blastoderm blastoderm cell Brachet's cleft DEL epiblast EVL forerunner cell group germ ring hypoblast axial hypoblast anterior axial hypoblast axial mesoderm axial chorda mesoderm prechordal plate dorsal axial hypoblast margin presumptive cephalic mesoderm presumptive floor plate presumptive segmental plate presumptive structure presumptive blood presumptive hypochord presumptive mesoderm mesoderm ventral lateral mesoderm ventral mesoderm presumptive paraxial mesoderm presumptive neural plate neural plate anterior neural plate forebrain midbrain boundary neural plate forebrain neural plate midbrain neural plate midbrain hindbrain boundary neural plate posterior neural plate hindbrain neural plate spinal cord neural plate extraembryonic structure chorion organism subdivision axis portion of tissue neuroectoderm non neural ectoderm preplacodal ectoderm primary germ layer ectoderm endoderm whole organism female organism embryo anatomical set anatomical cluster reproductive system presumptive cardinal organ presumptive organ presumptive organ system Gastrula:Bud anatomical line groove anatomical space anatomical structure acellular anatomical structure cell adaxial cell endodermal cell yolk YSL E-YSL I-YSL embryonic structure blastoderm blastoderm cell Brachet's cleft DEL epiblast forerunner cell group germ ring hypoblast axial hypoblast anterior axial hypoblast axial mesoderm axial chorda mesoderm notochord notochord posterior region prechordal plate dorsal axial hypoblast margin neurogenic placode dorsolateral placode otic placode polster presumptive cephalic mesoderm presumptive floor plate presumptive intervening zone presumptive rhombomere 3 presumptive rhombomere 4 presumptive rhombomere 5 presumptive rhombomere 6 presumptive rhombomere 7 presumptive rhombomere 8 presumptive segmental plate presumptive structure presumptive blood presumptive hypochord tail bud trunk extraembryonic structure chorion organism subdivision axis head surface structure integument portion of tissue anterior neural keel forebrain midbrain boundary neural keel midbrain neural keel anterior neural plate forebrain midbrain boundary neural plate midbrain neural plate forebrain neural keel forebrain neural plate hindbrain neural keel presumptive rhombomere 1 presumptive rhombomere 2 hindbrain neural plate mesenchyme trunk mesenchyme paraxial mesoderm segmental plate neural keel midbrain hindbrain boundary neural keel posterior neural keel spinal cord neural keel neural plate midbrain hindbrain boundary neural plate posterior neural plate spinal cord neural plate neuroectoderm non neural ectoderm preplacodal ectoderm neurogenic field dorsolateral field optic primordium primary germ layer ectoderm periderm endoderm mesoderm intermediate mesoderm lateral mesoderm presumptive pronephric mesoderm ventral lateral mesoderm ventral mesoderm whole organism female organism embryo anatomical set anatomical cluster reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system sensory system vestibuloauditory system Segmentation:1-4 somites anatomical line groove anatomical space anatomical structure acellular anatomical structure myoseptum vertical myoseptum cell adaxial cell migratory slow muscle precursor cell endodermal cell Rohon-Beard neuron yolk YSL E-YSL I-YSL embryonic structure Brachet's cleft forerunner cell group Kupffer's vesicle polster presumptive cephalic mesoderm presumptive diencephalon presumptive floor plate presumptive intervening zone presumptive rhombomere 3 presumptive rhombomere 4 presumptive rhombomere 5 presumptive rhombomere 6 presumptive rhombomere 7 presumptive rhombomere 8 presumptive structure presumptive blood presumptive hypochord presumptive telencephalon tail bud chordo neural hinge trunk somite myotome myotome somite 1 sclerotome sclerotome somite 1 somite 1 somite border extraembryonic structure chorion organism subdivision axis head surface structure integument portion of tissue anterior lateral mesoderm anterior lateral plate mesoderm anterior neural keel forebrain midbrain boundary neural keel midbrain neural keel forebrain neural keel ganglion cranial ganglion hindbrain neural keel presumptive rhombomere 1 presumptive rhombomere 2 hindbrain neural plate mesenchyme head mesenchyme mesenchyme derived from head neural crest trunk mesenchyme paraxial mesoderm segmental plate neural crest cranial neural crest trigeminal neural crest neural crest cell neural keel midbrain hindbrain boundary neural keel posterior neural keel spinal cord neural keel neural plate midbrain hindbrain boundary neural plate posterior neural plate spinal cord neural plate proneural cluster neuroectoderm primary neuron primary motor neuron non neural ectoderm notochord notochord posterior region optic primordium primary germ layer ectoderm periderm endoderm mesoderm axial mesoderm prechordal plate intermediate mesoderm lateral mesoderm lateral plate mesoderm posterior lateral mesoderm pronephric mesoderm ventral lateral mesoderm ventral mesoderm whole organism female organism embryo anatomical set anatomical cluster reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system neuron peripheral nervous system sensory system vestibuloauditory system otic placode neurogenic field Kolmer-Agduhr neuron hematopoietic system lateral cells muscle stem cell myoblast musculature system trunk musculature trigeminal placode Segmentation:5-9 somites anatomical line groove anatomical space anatomical structure acellular anatomical structure myoseptum vertical myoseptum cell adaxial cell endodermal cell Rohon-Beard neuron yolk YSL E-YSL I-YSL embryonic structure Brachet's cleft Kupffer's vesicle polster presumptive cephalic mesoderm presumptive diencephalon presumptive intervening zone presumptive rhombomere 3 presumptive rhombomere 4 presumptive rhombomere 5 presumptive rhombomere 6 presumptive rhombomere 7 presumptive rhombomere 8 presumptive structure presumptive blood presumptive hypochord presumptive telencephalon tail bud chordo neural hinge trunk somite myotome epaxial myotome region epaxial region somite 1 epaxial region somite 2 epaxial region somite 3 epaxial region somite 4 epaxial region somite 5 fast muscle cell fast muscle cell somite 1 fast muscle cell somite 2 fast muscle cell somite 3 fast muscle cell somite 4 fast muscle cell somite 5 hypaxial myotome region hypaxial region somite 1 hypaxial region somite 2 hypaxial region somite 3 hypaxial region somite 4 hypaxial region somite 5 myotome somite 1 slow muscle cell somite 1 muscle pioneer somite 1 myotome somite 2 slow muscle cell somite 2 muscle pioneer somite 2 myotome somite 3 slow muscle cell somite 3 muscle pioneer somite 3 myotome somite 4 slow muscle cell somite 4 muscle pioneer somite 4 myotome somite 5 slow muscle cell somite 5 muscle pioneer somite 5 slow muscle cell muscle pioneer sclerotome sclerotome somite 1 sclerotome somite 2 sclerotome somite 3 sclerotome somite 4 sclerotome somite 5 somite 1 somite 2 somite 3 somite 4 somite 5 extraembryonic structure chorion organism subdivision axis head surface structure integument portion of tissue anterior lateral plate mesoderm anterior neural rod forebrain midbrain boundary neural rod midbrain neural rod endocardial precursor forebrain neural rod ganglion cranial ganglion heart primordium hindbrain neural keel presumptive rhombomere 1 presumptive rhombomere 2 hindbrain neural plate hindbrain neural rod lateral floor plate lens placode medial floor plate mesenchyme head mesenchyme mesenchyme derived from head mesoderm mesenchyme derived from head neural crest trunk mesenchyme intermediate mesenchyme lateral mesenchyme derived from mesoderm mesenchyme derived from trunk neural crest paraxial mesoderm segmental plate myocardial precursor neural crest cranial neural crest facial neural crest facio-acoustic neural crest trigeminal neural crest neural crest cell neural keel midbrain hindbrain boundary neural keel midbrain hindbrain boundary neural rod posterior neural keel posterior neural rod spinal cord neural rod spinal cord neural keel neural plate midbrain hindbrain boundary neural plate posterior neural plate spinal cord neural plate proneural cluster neural rod neuroectoderm primary neuron primary neuron hindbrain non neural ectoderm notochord notochord posterior region optic vesicle primary germ layer ectoderm periderm endoderm mesoderm axial mesoderm prechordal plate intermediate mesoderm lateral mesoderm lateral plate mesoderm posterior lateral plate mesoderm pectoral fin field pelvic fin field pronephric mesoderm ventral lateral mesoderm ventral mesoderm rostral blood island whole organism female organism embryo anatomical set anatomical cluster reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system floor plate neuron peripheral nervous system sensory system vestibuloauditory system otic placode visual system neurogenic field Kolmer-Agduhr neuron hematopoietic system lateral cells musculature system trunk musculature trigeminal placode cardiovascular system immature eye muscle cell skeletal muscle cell Segmentation:10-13 somites anatomical line groove anatomical space anatomical structure acellular anatomical structure myoseptum vertical myoseptum cell adaxial cell digestive enzyme secreting cell endocrine cell pinealocyte endodermal cell gut endothelial cell glioblast melanoblast mucus secreting cell Rohon-Beard neuron yolk ball extension YSL E-YSL I-YSL embryonic structure hatching gland Kupffer's vesicle pancreas primordium polster presumptive diencephalon diencephalon epithalamus pineal complex epiphysis floor plate diencephalic region lateral wall diencephalic region optic stalk roof plate diencephalic region presumptive intervening zone presumptive structure presumptive blood presumptive telencephalon telencephalon floor plate telencephalic region lateral wall telencephalic region tail bud chordo neural hinge trunk somite myotome epaxial myotome region epaxial region somite 1 epaxial region somite 2 epaxial region somite 3 epaxial region somite 4 epaxial region somite 5 epaxial region somite 6 epaxial region somite 7 epaxial region somite 8 epaxial region somite 9 epaxial region somite 10 fast muscle cell fast muscle cell somite 1 fast muscle cell somite 2 fast muscle cell somite 3 fast muscle cell somite 4 fast muscle cell somite 5 fast muscle cell somite 6 fast muscle cell somite 7 fast muscle cell somite 8 fast muscle cell somite 9 fast muscle cell somite 10 hypaxial myotome region hypaxial region somite 1 hypaxial region somite 2 hypaxial region somite 3 hypaxial region somite 4 hypaxial region somite 5 hypaxial region somite 6 hypaxial region somite 7 hypaxial region somite 8 hypaxial region somite 9 hypaxial region somite 10 myotome somite 1 slow muscle cell somite 1 muscle pioneer somite 1 myotome somite 2 slow muscle cell somite 2 muscle pioneer somite 2 myotome somite 3 slow muscle cell somite 3 muscle pioneer somite 3 myotome somite 4 slow muscle cell somite 4 muscle pioneer somite 4 myotome somite 5 slow muscle cell somite 5 muscle pioneer somite 5 myotome somite 6 slow muscle cell somite 6 muscle pioneer somite 6 myotome somite 7 slow muscle cell somite 7 muscle pioneer somite 7 myotome somite 8 slow muscle cell somite 8 muscle pioneer somite 8 myotome somite 9 slow muscle cell somite 9 muscle pioneer somite 9 myotome somite 10 slow muscle cell somite 10 muscle pioneer somite 10 slow muscle cell muscle pioneer sclerotome sclerotome somite 1 sclerotome somite 2 sclerotome somite 3 sclerotome somite 4 sclerotome somite 5 sclerotome somite 6 sclerotome somite 7 sclerotome somite 8 sclerotome somite 9 sclerotome somite 10 somite 1 somite 2 somite 3 somite 4 somite 5 somite 6 somite 7 somite 8 somite 9 somite 10 extraembryonic structure chorion organism subdivision head cranium splanchnocranium pharyngeal arch 3-7 skeleton pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 pharyngeal arch 4 pharyngeal arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere rhombomere rhombomere 1 floor plate rhombomere 1 lateral wall rhombomere 1 roof plate rhombomere 1 upper rhombic lip rhombomere 2 floor plate rhombomere 2 lateral wall rhombomere 2 lower rhombic lip roof plate rhombomere 2 rhombomere 3 floor plate rhombomere 3 lateral wall rhombomere 3 roof plate rhombomere 3 rhombomere 4 floor plate rhombomere 4 lateral wall rhombomere 4 roof plate rhombomere 4 rhombomere 5 floor plate rhombomere 5 lateral wall rhombomere 5 roof plate rhombomere 5 rhombomere 6 floor plate rhombomere 6 lateral wall rhombomere 6 roof plate rhombomere 6 rhombomere 7 floor plate rhombomere 7 lateral wall rhombomere 7 roof plate rhombomere 7 rhombomere 8 floor plate rhombomere 8 lateral wall rhombomere 8 roof plate rhombomere 8 roof plate rhombomere region surface structure integument portion of tissue alar plate midbrain region anterior lateral plate mesoderm anterior neural rod forebrain midbrain boundary neural rod midbrain neural rod midbrain neural tube midbrain lateral wall midbrain region tectal ventricle anterior neural tube basal plate midbrain region endocardial precursor forebrain neural rod forebrain neural tube forebrain telencephalon diencephalon boundary ganglion cranial ganglion heart primordium hindbrain neural keel hindbrain neural rod hindbrain neural tube hindbrain floor plate rhombomere region rhombic lip hypochord lateral floor plate lens placode medial floor plate mesenchyme head mesenchyme mesenchyme derived from head mesoderm mesenchyme derived from head neural crest trunk mesenchyme intermediate mesenchyme lateral mesenchyme derived from mesoderm mesenchyme derived from trunk neural crest lateral migration pathway mesenchyme medial migration pathway mesenchyme paraxial mesoderm segmental plate myocardial precursor neural crest cranial neural crest facial neural crest facio-acoustic neural crest neural crest diencephalon neural crest midbrain neural crest telencephalon trigeminal neural crest neural crest cell trunk neural crest neural keel midbrain hindbrain boundary neural keel midbrain hindbrain boundary neural rod posterior neural keel posterior neural rod posterior neural tube spinal cord neural rod spinal cord neural keel neural rod floor plate neural rod lateral wall neural rod neural tube brain neuroectoderm primary neuron primary interneuron primary neuron hindbrain non neural ectoderm notochord notochord posterior region optic vesicle primary germ layer ectoderm periderm pharyngeal ectoderm endoderm gut gut absorptive cell pharyngeal endoderm mesoderm axial mesoderm prechordal plate intermediate mesoderm lateral mesoderm lateral plate mesoderm pharyngeal mesoderm ventral lateral mesoderm ventral mesoderm roof plate midbrain region whole organism female organism embryo anatomical set anatomical cluster reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system floor plate floor plate midbrain region roof plate ventricular system neuron peripheral nervous system immature Schwann cell lateral line system anterior lateral line system anterior lateral line placode posterior lateral line system posterior lateral line placode sensory system olfactory system olfactory placode primitive olfactory epithelium olfactory receptor cell vestibuloauditory system otic placode visual system neurogenic field olfactory field Kolmer-Agduhr neuron hematopoietic system lateral cells musculature system trunk musculature trigeminal placode cardiovascular system immature eye muscle cell skeletal muscle cell pectoral fin field digestive system D cell digestive system duct pancreatic system pharynx endocrine system immune system macrophage nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric glomerulus pronephric tubule skeletal system visceral organ Segmentation:14-19 somites anatomical line groove anatomical space anatomical structure acellular anatomical structure myoseptum vertical myoseptum cell adaxial cell digestive enzyme secreting cell endocrine cell pinealocyte endodermal cell gut endothelial cell mucus secreting cell Rohon-Beard neuron yolk ball extension YSL E-YSL I-YSL embryonic structure hatching gland Kupffer's vesicle otic vesicle pancreas primordium polster presumptive structure presumptive blood tail bud chordo neural hinge trunk somite myotome epaxial myotome region epaxial region somite 1 epaxial region somite 2 epaxial region somite 3 epaxial region somite 4 epaxial region somite 5 epaxial region somite 6 epaxial region somite 7 epaxial region somite 8 epaxial region somite 9 epaxial region somite 10 epaxial region somite 11 epaxial region somite 12 epaxial region somite 13 epaxial region somite 14 fast muscle cell fast muscle cell somite 1 fast muscle cell somite 2 fast muscle cell somite 3 fast muscle cell somite 4 fast muscle cell somite 5 fast muscle cell somite 6 fast muscle cell somite 7 fast muscle cell somite 8 fast muscle cell somite 9 fast muscle cell somite 10 fast muscle cell somite 11 fast muscle cell somite 12 fast muscle cell somite 13 fast muscle cell somite 14 hypaxial myotome region hypaxial region somite 1 hypaxial region somite 2 hypaxial region somite 3 hypaxial region somite 4 hypaxial region somite 5 hypaxial region somite 6 hypaxial region somite 7 hypaxial region somite 8 hypaxial region somite 9 hypaxial region somite 10 hypaxial region somite 11 hypaxial region somite 12 hypaxial region somite 13 hypaxial region somite 14 myotome somite 1 slow muscle cell somite 1 muscle pioneer somite 1 myotome somite 2 slow muscle cell somite 2 muscle pioneer somite 2 myotome somite 3 slow muscle cell somite 3 muscle pioneer somite 3 myotome somite 4 slow muscle cell somite 4 muscle pioneer somite 4 myotome somite 5 slow muscle cell somite 5 muscle pioneer somite 5 myotome somite 6 slow muscle cell somite 6 muscle pioneer somite 6 myotome somite 7 slow muscle cell somite 7 muscle pioneer somite 7 myotome somite 8 slow muscle cell somite 8 muscle pioneer somite 8 myotome somite 9 slow muscle cell somite 9 muscle pioneer somite 9 myotome somite 10 slow muscle cell somite 10 muscle pioneer somite 10 myotome somite 11 slow muscle cell somite 11 muscle pioneer somite 11 myotome somite 12 slow muscle cell somite 12 muscle pioneer somite 12 myotome somite 13 slow muscle cell somite 13 muscle pioneer somite 13 myotome somite 14 slow muscle cell somite 14 muscle pioneer somite 14 slow muscle cell muscle pioneer sclerotome sclerotome somite 1 sclerotome somite 2 sclerotome somite 3 sclerotome somite 4 sclerotome somite 5 sclerotome somite 6 sclerotome somite 7 sclerotome somite 8 sclerotome somite 9 sclerotome somite 10 sclerotome somite 11 sclerotome somite 12 sclerotome somite 13 sclerotome somite 14 somite 1 somite 2 somite 3 somite 4 somite 5 somite 6 somite 7 somite 8 somite 9 somite 10 somite 11 somite 12 somite 13 somite 14 extraembryonic structure chorion organism subdivision head cranium splanchnocranium pharyngeal arch 3-7 skeleton pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 pharyngeal arch 4 pharyngeal arch 5 pharyngeal arch 6 pharyngeal arch 7 pharyngeal pouch pharyngeal pouch 1 neuromere surface structure integument portion of tissue alar plate midbrain region anterior lateral plate mesoderm anterior neural tube forebrain midbrain boundary neural tube forebrain midbrain boundary midbrain neural tube midbrain lateral wall midbrain region tectal ventricle ventro-caudal cluster basal plate midbrain region endocardial precursor forebrain neural tube forebrain diencephalon epithalamus pineal complex epiphysis epiphyseal cluster floor plate diencephalic region lateral wall diencephalic region optic stalk ventro-rostral cluster forebrain ventricle telencephalon floor plate telencephalic region lateral wall telencephalic region telencephalon diencephalon boundary ganglion cranial ganglion heart primordium hindbrain neural rod hindbrain neural tube hindbrain floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle rhombic lip lower rhombic lip upper rhombic lip hypochord intermediate cell mass of mesoderm lateral floor plate lens placode medial floor plate mesenchyme head mesenchyme mesenchyme derived from head mesoderm mesenchyme derived from head neural crest trunk mesenchyme intermediate mesenchyme lateral mesenchyme derived from mesoderm mesenchyme derived from trunk neural crest lateral migration pathway mesenchyme medial migration pathway mesenchyme paraxial mesoderm segmental plate myocardial precursor neural crest cranial neural crest facial neural crest facio-acoustic neural crest neural crest diencephalon neural crest midbrain neural crest telencephalon trigeminal neural crest neural crest cell trunk neural crest neural rod floor plate neural rod floor plate neural tube lateral wall neural rod midbrain hindbrain boundary neural rod midbrain hindbrain boundary neural tube midbrain hindbrain boundary intervening zone posterior neural rod posterior neural tube spinal cord neural tube spinal cord neural rod neural tube brain lateral wall neural tube neuroectoderm primary neuron primary interneuron primary neuron hindbrain non neural ectoderm notochord notochord posterior region optic vesicle primary germ layer ectoderm periderm pharyngeal ectoderm endoderm gut gut absorptive cell pharyngeal endoderm mesoderm axial mesoderm prechordal plate intermediate mesoderm lateral mesoderm lateral plate mesoderm pharyngeal mesoderm ventral lateral mesoderm ventral mesoderm primordial vasculature vascular cord roof plate diencephalic region roof plate midbrain region roof plate neural tube region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region whole organism female organism embryo anatomical set anatomical cluster reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system floor plate floor plate midbrain region roof plate ventricular system neuron peripheral nervous system immature Schwann cell lateral line system anterior lateral line system anterior lateral line placode posterior lateral line system posterior lateral line placode sensory system olfactory system olfactory placode primitive olfactory epithelium olfactory receptor cell vestibuloauditory system otic placode visual system neurogenic field Kolmer-Agduhr neuron hematopoietic system lateral cells musculature system trunk musculature trigeminal placode cardiovascular system immature eye muscle cell skeletal muscle cell pectoral fin field digestive system D cell digestive system duct pancreatic system pharynx endocrine system immune system macrophage lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric glomerulus pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VaP motor neuron VeLD Segmentation:20-25 somites anatomical line groove anatomical space anatomical structure acellular anatomical structure myoseptum vertical myoseptum cell adaxial cell digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte endodermal cell gut endothelial cell mucus secreting cell pigment cell Rohon-Beard neuron yolk ball extension YSL E-YSL I-YSL embryonic structure hatching gland Kupffer's vesicle pancreas primordium polster presumptive neuron neural tube presumptive structure presumptive blood presumptive median fin fold presumptive dorsal fin fold presumptive ventral fin fold tail bud chordo neural hinge trunk somite myotome epaxial myotome region epaxial region somite 1 epaxial region somite 2 epaxial region somite 3 epaxial region somite 4 epaxial region somite 5 epaxial region somite 6 epaxial region somite 7 epaxial region somite 8 epaxial region somite 9 epaxial region somite 10 epaxial region somite 11 epaxial region somite 12 epaxial region somite 13 epaxial region somite 14 epaxial region somite 15 epaxial region somite 16 epaxial region somite 17 epaxial region somite 18 epaxial region somite 19 epaxial region somite 20 fast muscle cell fast muscle cell somite 1 fast muscle cell somite 2 fast muscle cell somite 3 fast muscle cell somite 4 fast muscle cell somite 5 fast muscle cell somite 6 fast muscle cell somite 7 fast muscle cell somite 8 fast muscle cell somite 9 fast muscle cell somite 10 fast muscle cell somite 11 fast muscle cell somite 12 fast muscle cell somite 13 fast muscle cell somite 14 fast muscle cell somite 15 fast muscle cell somite 16 fast muscle cell somite 17 fast muscle cell somite 18 fast muscle cell somite 19 fast muscle cell somite 20 hypaxial myotome region hypaxial region somite 1 hypaxial region somite 2 hypaxial region somite 3 hypaxial region somite 4 hypaxial region somite 5 hypaxial region somite 6 hypaxial region somite 7 hypaxial region somite 8 hypaxial region somite 9 hypaxial region somite 10 hypaxial region somite 11 hypaxial region somite 12 hypaxial region somite 13 hypaxial region somite 14 hypaxial region somite 15 hypaxial region somite 16 hypaxial region somite 17 hypaxial region somite 18 hypaxial region somite 19 hypaxial region somite 20 myotome somite 1 slow muscle cell somite 1 muscle pioneer somite 1 myotome somite 2 slow muscle cell somite 2 muscle pioneer somite 2 myotome somite 3 slow muscle cell somite 3 muscle pioneer somite 3 myotome somite 4 slow muscle cell somite 4 muscle pioneer somite 4 myotome somite 5 slow muscle cell somite 5 muscle pioneer somite 5 myotome somite 6 slow muscle cell somite 6 muscle pioneer somite 6 myotome somite 7 slow muscle cell somite 7 muscle pioneer somite 7 myotome somite 8 slow muscle cell somite 8 muscle pioneer somite 8 myotome somite 9 slow muscle cell somite 9 muscle pioneer somite 9 myotome somite 10 slow muscle cell somite 10 muscle pioneer somite 10 myotome somite 11 slow muscle cell somite 11 muscle pioneer somite 11 myotome somite 12 slow muscle cell somite 12 muscle pioneer somite 12 myotome somite 13 slow muscle cell somite 13 muscle pioneer somite 13 myotome somite 14 slow muscle cell somite 14 muscle pioneer somite 14 myotome somite 15 slow muscle cell somite 15 muscle pioneer somite 15 myotome somite 16 slow muscle cell somite 16 muscle pioneer somite 16 myotome somite 17 slow muscle cell somite 17 muscle pioneer somite 17 myotome somite 18 slow muscle cell somite 18 muscle pioneer somite 18 myotome somite 19 slow muscle cell somite 19 muscle pioneer somite 19 myotome somite 20 slow muscle cell somite 20 muscle pioneer somite 20 slow muscle cell muscle pioneer sclerotome sclerotome somite 1 sclerotome somite 2 sclerotome somite 3 sclerotome somite 4 sclerotome somite 5 sclerotome somite 6 sclerotome somite 7 sclerotome somite 8 sclerotome somite 9 sclerotome somite 10 sclerotome somite 11 sclerotome somite 12 sclerotome somite 13 sclerotome somite 14 sclerotome somite 15 sclerotome somite 16 sclerotome somite 17 sclerotome somite 18 sclerotome somite 19 sclerotome somite 20 somite 1 somite 2 somite 3 somite 4 somite 5 somite 6 somite 7 somite 8 somite 9 somite 10 somite 11 somite 12 somite 13 somite 14 somite 15 somite 16 somite 17 somite 18 somite 19 somite 20 extraembryonic structure chorion organism subdivision head cranium splanchnocranium pharyngeal arch 3-7 skeleton pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 pharyngeal arch 4 pharyngeal arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere surface structure integument portion of tissue alar plate midbrain region anterior lateral plate mesoderm anterior neural tube forebrain midbrain boundary neural tube forebrain midbrain boundary midbrain neural tube midbrain lateral wall midbrain region tectal ventricle basal plate midbrain region corpuscles of Stannius endocardial precursor forebrain neural tube forebrain diencephalon epithalamus pineal complex epiphysis floor plate diencephalic region hypophysis melanocyte stimulating hormone secreting cell lateral wall diencephalic region optic stalk telencephalon dorso-rostral cluster floor plate telencephalic region lateral wall telencephalic region telencephalon diencephalon boundary ganglion cranial ganglion trigeminal ganglion heart primordium heart rudiment hindbrain neural tube hindbrain floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle rhombic lip lower rhombic lip upper rhombic lip hypochord intermediate cell mass of mesoderm lateral floor plate solid lens vesicle medial floor plate mesenchyme head mesenchyme mesenchyme derived from head mesoderm mesenchyme derived from head neural crest trunk mesenchyme intermediate mesenchyme lateral mesenchyme derived from mesoderm mesenchyme derived from trunk neural crest lateral migration pathway mesenchyme medial migration pathway mesenchyme paraxial mesoderm segmental plate myocardial precursor neural crest cranial neural crest facial neural crest facio-acoustic neural crest neural crest diencephalon neural crest midbrain neural crest telencephalon trigeminal neural crest neural crest cell trunk neural crest neural tube brain cephalic flexure midbrain hindbrain boundary supraoptic tract floor plate neural tube lateral wall neural tube midbrain hindbrain boundary neural tube posterior neural tube spinal cord neural tube neuroectoderm primary neuron primary interneuron primary neuron hindbrain non neural ectoderm notochord notochord posterior region optic vesicle optic cup primary germ layer ectoderm periderm pharyngeal ectoderm endoderm gut gut absorptive cell pharyngeal endoderm mesoderm axial mesoderm prechordal plate intermediate mesoderm interrenal primordium lateral mesoderm lateral plate mesoderm pharyngeal mesoderm ventral lateral mesoderm ventral mesoderm primordial vasculature vascular cord roof plate diencephalic region roof plate midbrain region roof plate neural tube region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region whole organism female organism embryo anatomical set anatomical cluster inner ear macula communis otolith organ otolith lapillus sagitta reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system floor plate floor plate midbrain region peripheral motor axons roof plate ventricular system neuron peripheral nervous system immature Schwann cell lateral line system anterior lateral line system anterior lateral line placode lateral line primordium posterior lateral line primordium primary posterior lateral line primordium posterior lateral line system posterior lateral line placode sensory system olfactory system olfactory placode primitive olfactory epithelium olfactory receptor cell sensory axons peripheral vestibuloauditory system otic placode visual system neurogenic field Kolmer-Agduhr neuron hematopoietic system musculature system trunk musculature cardiovascular system vasculature blood vasculature cardinal system common cardinal vein vein trunk vasculature immature eye muscle cell skeletal muscle cell pectoral fin field digestive system D cell digestive system duct pancreatic system pharynx endocrine system immune system kidney macrophage lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric duct opening pronephric glomerulus pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD pharyngeal pouch 1 Mauthner neuron pharyngeal pouches 2-6 pharyngeal pouch 2 Segmentation:26+ somites anatomical line groove optic fissure anatomical space anatomical structure acellular anatomical structure myoseptum horizontal myoseptum vertical myoseptum cell adaxial cell digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte endodermal cell gut endothelial cell glial cell mucus secreting cell pigment cell Rohon-Beard neuron yolk ball extension YSL E-YSL I-YSL embryonic structure hatching gland Kupffer's vesicle pancreas primordium polster presumptive structure presumptive median fin fold presumptive dorsal fin fold presumptive ventral fin fold tail bud chordo neural hinge post-vent region trunk somite myotome epaxial myotome region epaxial region somite 1 epaxial region somite 2 epaxial region somite 3 epaxial region somite 4 epaxial region somite 5 epaxial region somite 6 epaxial region somite 7 epaxial region somite 8 epaxial region somite 9 epaxial region somite 10 epaxial region somite 11 epaxial region somite 12 epaxial region somite 13 epaxial region somite 14 epaxial region somite 15 epaxial region somite 16 epaxial region somite 17 epaxial region somite 18 epaxial region somite 19 epaxial region somite 20 epaxial region somite 21 epaxial region somite 22 epaxial region somite 23 epaxial region somite 24 epaxial region somite 25 epaxial region somite 26 fast muscle cell fast muscle cell somite 1 fast muscle cell somite 2 fast muscle cell somite 3 fast muscle cell somite 4 fast muscle cell somite 5 fast muscle cell somite 6 fast muscle cell somite 7 fast muscle cell somite 8 fast muscle cell somite 9 fast muscle cell somite 10 fast muscle cell somite 11 fast muscle cell somite 12 fast muscle cell somite 13 fast muscle cell somite 14 fast muscle cell somite 15 fast muscle cell somite 16 fast muscle cell somite 17 fast muscle cell somite 18 fast muscle cell somite 19 fast muscle cell somite 20 fast muscle cell somite 21 fast muscle cell somite 22 fast muscle cell somite 23 fast muscle cell somite 24 fast muscle cell somite 25 fast muscle cell somite 26 hypaxial myotome region hypaxial region somite 1 hypaxial region somite 2 hypaxial region somite 3 hypaxial region somite 4 hypaxial region somite 5 hypaxial region somite 6 hypaxial region somite 7 hypaxial region somite 8 hypaxial region somite 9 hypaxial region somite 10 hypaxial region somite 11 hypaxial region somite 12 hypaxial region somite 13 hypaxial region somite 14 hypaxial region somite 15 hypaxial region somite 16 hypaxial region somite 17 hypaxial region somite 18 hypaxial region somite 19 hypaxial region somite 20 hypaxial region somite 21 hypaxial region somite 22 hypaxial region somite 23 hypaxial region somite 24 hypaxial region somite 25 hypaxial region somite 26 myotome somite 1 slow muscle cell somite 1 muscle pioneer somite 1 myotome somite 2 slow muscle cell somite 2 muscle pioneer somite 2 myotome somite 3 slow muscle cell somite 3 muscle pioneer somite 3 myotome somite 4 slow muscle cell somite 4 muscle pioneer somite 4 myotome somite 5 slow muscle cell somite 5 muscle pioneer somite 5 myotome somite 6 slow muscle cell somite 6 muscle pioneer somite 6 myotome somite 7 slow muscle cell somite 7 muscle pioneer somite 7 myotome somite 8 slow muscle cell somite 8 muscle pioneer somite 8 myotome somite 9 slow muscle cell somite 9 muscle pioneer somite 9 myotome somite 10 slow muscle cell somite 10 muscle pioneer somite 10 myotome somite 11 slow muscle cell somite 11 muscle pioneer somite 11 myotome somite 12 slow muscle cell somite 12 muscle pioneer somite 12 myotome somite 13 slow muscle cell somite 13 muscle pioneer somite 13 myotome somite 14 slow muscle cell somite 14 muscle pioneer somite 14 myotome somite 15 slow muscle cell somite 15 muscle pioneer somite 15 myotome somite 16 slow muscle cell somite 16 muscle pioneer somite 16 myotome somite 17 slow muscle cell somite 17 muscle pioneer somite 17 myotome somite 18 slow muscle cell somite 18 muscle pioneer somite 18 myotome somite 19 slow muscle cell somite 19 muscle pioneer somite 19 myotome somite 20 slow muscle cell somite 20 muscle pioneer somite 20 myotome somite 21 slow muscle cell somite 21 muscle pioneer somite 21 myotome somite 22 slow muscle cell somite 22 muscle pioneer somite 22 myotome somite 23 slow muscle cell somite 23 muscle pioneer somite 23 myotome somite 24 slow muscle cell somite 24 muscle pioneer somite 24 myotome somite 25 slow muscle cell somite 25 muscle pioneer somite 25 myotome somite 26 slow muscle cell somite 26 muscle pioneer somite 26 slow muscle cell muscle pioneer sclerotome sclerotome somite 1 sclerotome somite 2 sclerotome somite 3 sclerotome somite 4 sclerotome somite 5 sclerotome somite 6 sclerotome somite 7 sclerotome somite 8 sclerotome somite 9 sclerotome somite 10 sclerotome somite 11 sclerotome somite 12 sclerotome somite 13 sclerotome somite 14 sclerotome somite 15 sclerotome somite 16 sclerotome somite 17 sclerotome somite 18 sclerotome somite 19 sclerotome somite 20 sclerotome somite 21 sclerotome somite 22 sclerotome somite 23 sclerotome somite 24 sclerotome somite 25 sclerotome somite 26 somite 1 somite 2 somite 3 somite 4 somite 5 somite 6 somite 7 somite 8 somite 9 somite 10 somite 11 somite 12 somite 13 somite 14 somite 15 somite 16 somite 17 somite 18 somite 19 somite 20 somite 21 somite 22 somite 23 somite 24 somite 25 somite 26 extraembryonic structure chorion organism subdivision head cranium splanchnocranium pharyngeal arch 3-7 skeleton pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 pharyngeal arch 4 pharyngeal arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere surface structure fin integument median fin fold dorsal fin fold ventral fin fold proctodeum vent portion of tissue alar plate midbrain region anterior lateral plate mesoderm anterior neural tube forebrain midbrain boundary neural tube forebrain midbrain boundary midbrain neural tube midbrain lateral wall midbrain region tectal ventricle basal plate midbrain region blood island cardiac jelly corpuscles of Stannius forebrain neural tube forebrain diencephalon epithalamus pineal complex epiphysis floor plate diencephalic region hypophysis melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region telencephalon diencephalon boundary ganglion cranial ganglion statoacoustic (VIII) ganglion trigeminal ganglion hindbrain neural tube hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle rhombic lip lower rhombic lip upper rhombic lip hypochord intermediate cell mass of mesoderm lateral floor plate solid lens vesicle medial floor plate mesenchyme head mesenchyme mesenchyme derived from head mesoderm mesenchyme derived from head neural crest trunk mesenchyme intermediate mesenchyme lateral mesenchyme derived from mesoderm mesenchyme derived from trunk neural crest lateral migration pathway mesenchyme medial migration pathway mesenchyme paraxial mesoderm segmental plate neural crest cranial neural crest facial neural crest facio-acoustic neural crest glossopharyngeal neural crest hyoid neural crest mandibular neural crest neural crest diencephalon neural crest hindbrain neural crest telencephalon trigeminal neural crest neural crest cell trunk neural crest neural tube brain midbrain hindbrain boundary supraoptic tract floor plate neural tube lateral wall neural tube midbrain hindbrain boundary neural tube posterior neural tube spinal cord neural tube neuroectoderm primary neuron primary interneuron primary neuron hindbrain notochord notochord posterior region presumptive neural retina presumptive retinal pigmented epithelium primary germ layer ectoderm periderm endoderm gut gut absorptive cell pharyngeal endoderm mesoderm axial mesoderm prechordal plate intermediate mesoderm interrenal primordium lateral plate mesoderm pharyngeal mesoderm ventral lateral mesoderm ventral mesoderm primordial vasculature vascular cord dorsal aorta posterior cardinal vein roof plate diencephalic region roof plate midbrain region roof plate neural tube region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region ventral wall of dorsal aorta whole organism female organism embryo anatomical set anatomical cluster inner ear macula communis otolith organ otolith lapillus sagitta protoneuromast reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system floor plate floor plate midbrain region peripheral motor axons roof plate ventricular system neuron pioneer neuron peripheral nervous system immature Schwann cell lateral line system anterior lateral line system anterior lateral line placode lateral line primordium posterior lateral line primordium primary posterior lateral line primordium posterior lateral line system posterior lateral line placode sensory system olfactory system olfactory placode primitive olfactory epithelium olfactory receptor cell sensory axons peripheral vestibuloauditory system otic placode visual system neurogenic field Kolmer-Agduhr neuron hematopoietic system blood blood cell musculature system trunk musculature cardiovascular system pericardium vasculature axial vasculature blood vasculature artery caudal artery cardinal system common cardinal vein vein trunk vasculature immature eye optic cup muscle cell skeletal muscle cell pectoral fin field digestive system D cell digestive system duct pancreatic system pharynx endocrine system immune system kidney macrophage lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric duct opening pronephric glomerulus pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD pharyngeal pouch 1 heart rudiment primitive heart tube presumptive atrium primitive heart tube presumptive cardiac ventricle primitive heart tube immature macula immature anterior macula immature hair cell anterior macula immature posterior macula immature hair cell posterior macula pharyngeal pouch 3 pharyngeal pouch 4 pharyngeal pouch 5 pharyngeal pouch 6 secondary motor neuron serous membrane Pharyngula:Prim-5 anatomical line groove optic fissure anatomical space choroidal fissure anatomical structure acellular anatomical structure collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum cell adaxial cell chondroblast digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte endodermal cell gut endothelial cell glial cell mucus secreting cell neuromast mantle cell neuromast support cell pigment cell melanocyte Rohon-Beard neuron yolk ball extension YSL E-YSL I-YSL embryonic structure hatching gland Kupffer's vesicle liver primordium pancreas primordium pancreatic bud posterior pancreatic bud polster presumptive structure presumptive enteric nervous system presumptive swim bladder tail bud chordo neural hinge post-vent region caudal fin trunk somite myotome epaxial myotome region epaxial region somite 1 epaxial region somite 2 epaxial region somite 3 epaxial region somite 4 epaxial region somite 5 epaxial region somite 6 epaxial region somite 7 epaxial region somite 8 epaxial region somite 9 epaxial region somite 10 epaxial region somite 11 epaxial region somite 12 epaxial region somite 13 epaxial region somite 14 epaxial region somite 15 epaxial region somite 16 epaxial region somite 17 epaxial region somite 18 epaxial region somite 19 epaxial region somite 20 epaxial region somite 21 epaxial region somite 22 epaxial region somite 23 epaxial region somite 24 epaxial region somite 25 epaxial region somite 26 epaxial region somite 27 epaxial region somite 28 epaxial region somite 29 epaxial region somite 30 fast muscle cell fast muscle cell somite 1 fast muscle cell somite 2 fast muscle cell somite 3 fast muscle cell somite 4 fast muscle cell somite 5 fast muscle cell somite 6 fast muscle cell somite 7 fast muscle cell somite 8 fast muscle cell somite 9 fast muscle cell somite 10 fast muscle cell somite 11 fast muscle cell somite 12 fast muscle cell somite 13 fast muscle cell somite 14 fast muscle cell somite 15 fast muscle cell somite 16 fast muscle cell somite 17 fast muscle cell somite 18 fast muscle cell somite 19 fast muscle cell somite 20 fast muscle cell somite 21 fast muscle cell somite 22 fast muscle cell somite 23 fast muscle cell somite 24 fast muscle cell somite 25 fast muscle cell somite 26 fast muscle cell somite 27 fast muscle cell somite 28 fast muscle cell somite 29 fast muscle cell somite 30 hypaxial myotome region hypaxial region somite 1 hypaxial region somite 2 hypaxial region somite 3 hypaxial region somite 4 hypaxial region somite 5 hypaxial region somite 6 hypaxial region somite 7 hypaxial region somite 8 hypaxial region somite 9 hypaxial region somite 10 hypaxial region somite 11 hypaxial region somite 12 hypaxial region somite 13 hypaxial region somite 14 hypaxial region somite 15 hypaxial region somite 16 hypaxial region somite 17 hypaxial region somite 18 hypaxial region somite 19 hypaxial region somite 20 hypaxial region somite 21 hypaxial region somite 22 hypaxial region somite 23 hypaxial region somite 24 hypaxial region somite 25 hypaxial region somite 26 hypaxial region somite 27 hypaxial region somite 28 hypaxial region somite 29 hypaxial region somite 30 myotome somite 1 slow muscle cell somite 1 muscle pioneer somite 1 myotome somite 2 slow muscle cell somite 2 muscle pioneer somite 2 myotome somite 3 slow muscle cell somite 3 muscle pioneer somite 3 myotome somite 4 slow muscle cell somite 4 muscle pioneer somite 4 myotome somite 5 slow muscle cell somite 5 muscle pioneer somite 5 myotome somite 6 slow muscle cell somite 6 muscle pioneer somite 6 myotome somite 7 slow muscle cell somite 7 muscle pioneer somite 7 myotome somite 8 slow muscle cell somite 8 muscle pioneer somite 8 myotome somite 9 slow muscle cell somite 9 muscle pioneer somite 9 myotome somite 10 slow muscle cell somite 10 muscle pioneer somite 10 myotome somite 11 slow muscle cell somite 11 muscle pioneer somite 11 myotome somite 12 slow muscle cell somite 12 muscle pioneer somite 12 myotome somite 13 slow muscle cell somite 13 muscle pioneer somite 13 myotome somite 14 slow muscle cell somite 14 muscle pioneer somite 14 myotome somite 15 slow muscle cell somite 15 muscle pioneer somite 15 myotome somite 16 slow muscle cell somite 16 muscle pioneer somite 16 myotome somite 17 slow muscle cell somite 17 muscle pioneer somite 17 myotome somite 18 slow muscle cell somite 18 muscle pioneer somite 18 myotome somite 19 slow muscle cell somite 19 muscle pioneer somite 19 myotome somite 20 slow muscle cell somite 20 muscle pioneer somite 20 myotome somite 21 slow muscle cell somite 21 muscle pioneer somite 21 myotome somite 22 slow muscle cell somite 22 muscle pioneer somite 22 myotome somite 23 slow muscle cell somite 23 muscle pioneer somite 23 myotome somite 24 slow muscle cell somite 24 muscle pioneer somite 24 myotome somite 25 slow muscle cell somite 25 muscle pioneer somite 25 myotome somite 26 slow muscle cell somite 26 muscle pioneer somite 26 myotome somite 27 slow muscle cell somite 27 muscle pioneer somite 27 myotome somite 28 slow muscle cell somite 28 muscle pioneer somite 28 myotome somite 29 slow muscle cell somite 29 muscle pioneer somite 29 myotome somite 30 slow muscle cell somite 30 muscle pioneer somite 30 slow muscle cell muscle pioneer sclerotome sclerotome somite 1 sclerotome somite 2 sclerotome somite 3 sclerotome somite 4 sclerotome somite 5 sclerotome somite 6 sclerotome somite 7 sclerotome somite 8 sclerotome somite 9 sclerotome somite 10 sclerotome somite 11 sclerotome somite 12 sclerotome somite 13 sclerotome somite 14 sclerotome somite 15 sclerotome somite 16 sclerotome somite 17 sclerotome somite 18 sclerotome somite 19 sclerotome somite 20 sclerotome somite 21 sclerotome somite 22 sclerotome somite 23 sclerotome somite 24 sclerotome somite 25 sclerotome somite 26 sclerotome somite 27 sclerotome somite 28 sclerotome somite 29 sclerotome somite 30 somite 1 somite 2 somite 3 somite 4 somite 5 somite 6 somite 7 somite 8 somite 9 somite 10 somite 11 somite 12 somite 13 somite 14 somite 15 somite 16 somite 17 somite 18 somite 19 somite 20 somite 21 somite 22 somite 23 somite 24 somite 25 somite 26 somite 27 somite 28 somite 29 somite 30 extraembryonic structure chorion organism subdivision head cranium splanchnocranium pharyngeal arch 3-7 skeleton eye corneal primordium pharyngeal arch pharyngeal arch 1 aortic arch 1 pharyngeal arch 2 aortic arch 2 pharyngeal arch 3-7 pharyngeal arch 3 pharyngeal arch 4 pharyngeal arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere surface structure fin integument dermis epidermis epidermal basal stratum epidermal superficial stratum median fin fold dorsal fin fold dorsal actinotrichium fin fold actinotrichium ventral actinotrichium ventral fin fold proctodeum vent portion of tissue actinotrichium alar plate midbrain region optic tectum anterior lateral plate mesoderm anterior neural tube forebrain midbrain boundary neural tube forebrain midbrain boundary midbrain neural tube midbrain lateral wall midbrain region tectal ventricle tela chorioidea tectal ventricle tegmentum basal plate midbrain region blood island corpuscles of Stannius forebrain neural tube forebrain diencephalon diencephalic white matter dorsoventral diencephalic tract postoptic commissure tract of the postoptic commissure epithalamus pineal complex epiphysis floor plate diencephalic region hypophysis melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion hindbrain neural tube hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle tela chorioidea fourth ventricle hypochord intermediate cell mass of mesoderm lateral floor plate solid lens vesicle macula anterior macula hair cell anterior macula posterior macula hair cell posterior macula medial floor plate mesenchyme head mesenchyme mesenchyme derived from head mesoderm trunk mesenchyme intermediate mesenchyme lateral mesenchyme derived from mesoderm mesenchyme derived from trunk neural crest lateral migration pathway mesenchyme medial migration pathway mesenchyme paraxial mesoderm segmental plate ventral mesenchyme neural crest cardiac neural crest neural crest cell cranial neural crest cell trunk neural crest cell trunk neural crest vagal neural crest neural tube brain midbrain hindbrain boundary supraoptic tract floor plate neural tube floor plate spinal cord region lateral wall neural tube midbrain hindbrain boundary neural tube posterior neural tube spinal cord neural tube spinal cord central canal lateral wall spinal cord neuroectoderm primary neuron primary interneuron radial glial cell notochord notochord posterior region presumptive bulbus arteriosus presumptive endocardium presumptive neural retina presumptive retinal pigmented epithelium presumptive sinus venosus primary germ layer ectoderm endoderm gut gut absorptive cell pharyngeal endoderm mesoderm axial mesoderm prechordal plate intermediate mesoderm interrenal primordium lateral plate mesoderm mesoderm pectoral fin bud zone of polarizing activity pectoral fin bud pharyngeal mesoderm ventral lateral mesoderm ventral mesoderm roof plate diencephalic region roof plate midbrain region roof plate neural tube region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region tela chorioidea tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism embryo anatomical set anatomical cluster inner ear otolith organ otolith lapillus sagitta neuromast oral region ventricular zone reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system floor plate floor plate midbrain region peripheral motor axons roof plate ventricular system neuron pioneer neuron peripheral nervous system epibranchial placode facial placode glossopharyngeal placode vagal placode 1 vagal placode 2 vagal placode 3 vagal placode 4 immature Schwann cell lateral line system anterior lateral line system anterior lateral line placode interneuromast cell lateral line primordium posterior lateral line primordium primary posterior lateral line primordium posterior lateral line system sensory system olfactory system olfactory placode primitive olfactory epithelium olfactory receptor cell sensory axons peripheral vestibuloauditory system visual system neurogenic field epibranchial field Kolmer-Agduhr neuron hematopoietic system blood blood cell musculature system trunk musculature cardiovascular system pericardium vasculature axial vasculature blood vasculature artery aortic arch basilar artery carotid artery caudal artery caudal division of the internal carotid artery cranial division of the internal carotid artery dorsal aorta intersegmental vessel hyaloid artery lateral dorsal aorta optic artery primitive internal carotid artery primitive mesencephalic artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein vein anterior cerebral vein hyaloid vein median axial vein mid cerebral vein posterior caudal vein primordial hindbrain channel primordial midbrain channel cranial vasculature brain vasculature trunk vasculature immature eye optic cup muscle cell skeletal muscle cell pectoral fin field pectoral fin bud digestive system D cell digestive system duct pancreatic system pharynx endocrine system immune system kidney macrophage lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric duct opening pronephric glomerulus pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD pharyngeal pouch 1 immature macula immature anterior macula immature hair cell anterior macula immature posterior macula immature hair cell posterior macula primitive heart tube heart tube presumptive atrium heart tube presumptive cardiac ventricle heart tube presumptive atrium primitive heart tube presumptive cardiac ventricle primitive heart tube secondary motor neuron serous membrane caudal vein plexus liver and biliary system mesenchyme condensations ocular blood vessel hyaloid vessel terminal nerve zona limitans intrathalamica Pharyngula:Prim-15 anatomical line groove optic furrow anatomical space choroidal fissure olfactory pit anatomical structure acellular anatomical structure collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum cell digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte endodermal cell gut endothelial cell glial cell mucus secreting cell neuromast mantle cell neuromast support cell pigment cell melanocyte Rohon-Beard neuron yolk ball extension YSL E-YSL I-YSL embryonic structure hatching gland pancreatic bud posterior pancreatic bud presumptive structure presumptive enteric nervous system presumptive swim bladder extraembryonic structure chorion organism subdivision head cranium splanchnocranium pharyngeal arch 3-7 skeleton eye corneal primordium lens retina retinal neural layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 aortic arch 2 pharyngeal arch 3-7 pharyngeal arch 3 pharyngeal arch 4 pharyngeal arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin surface structure fin pectoral fin mesenchyme pectoral fin pelvic fin mesenchyme pelvic fin integument dermis epidermis epidermal basal stratum epidermal superficial stratum median fin fold apical ectodermal ridge median fin fold dorsal fin fold dorsal actinotrichium fin fold actinotrichium ventral actinotrichium mesenchyme median fin fold ventral fin fold proctodeum vent trunk somite myotome epaxial myotome region epaxial region somite 1 epaxial region somite 2 epaxial region somite 3 epaxial region somite 4 epaxial region somite 5 epaxial region somite 6 epaxial region somite 7 epaxial region somite 8 epaxial region somite 9 epaxial region somite 10 epaxial region somite 11 epaxial region somite 12 epaxial region somite 13 epaxial region somite 14 epaxial region somite 15 epaxial region somite 16 epaxial region somite 17 epaxial region somite 18 epaxial region somite 19 epaxial region somite 20 epaxial region somite 21 epaxial region somite 22 epaxial region somite 23 epaxial region somite 24 epaxial region somite 25 epaxial region somite 26 epaxial region somite 27 epaxial region somite 28 epaxial region somite 29 epaxial region somite 30 fast muscle cell fast muscle cell somite 1 fast muscle cell somite 2 fast muscle cell somite 3 fast muscle cell somite 4 fast muscle cell somite 5 fast muscle cell somite 6 fast muscle cell somite 7 fast muscle cell somite 8 fast muscle cell somite 9 fast muscle cell somite 10 fast muscle cell somite 11 fast muscle cell somite 12 fast muscle cell somite 13 fast muscle cell somite 14 fast muscle cell somite 15 fast muscle cell somite 16 fast muscle cell somite 17 fast muscle cell somite 18 fast muscle cell somite 19 fast muscle cell somite 20 fast muscle cell somite 21 fast muscle cell somite 22 fast muscle cell somite 23 fast muscle cell somite 24 fast muscle cell somite 25 fast muscle cell somite 26 fast muscle cell somite 27 fast muscle cell somite 28 fast muscle cell somite 29 fast muscle cell somite 30 hypaxial myotome region hypaxial region somite 1 hypaxial region somite 2 hypaxial region somite 3 hypaxial region somite 4 hypaxial region somite 5 hypaxial region somite 6 hypaxial region somite 7 hypaxial region somite 8 hypaxial region somite 9 hypaxial region somite 10 hypaxial region somite 11 hypaxial region somite 12 hypaxial region somite 13 hypaxial region somite 14 hypaxial region somite 15 hypaxial region somite 16 hypaxial region somite 17 hypaxial region somite 18 hypaxial region somite 19 hypaxial region somite 20 hypaxial region somite 21 hypaxial region somite 22 hypaxial region somite 23 hypaxial region somite 24 hypaxial region somite 25 hypaxial region somite 26 hypaxial region somite 27 hypaxial region somite 28 hypaxial region somite 29 hypaxial region somite 30 myotome somite 1 slow muscle cell somite 1 muscle pioneer somite 1 myotome somite 2 slow muscle cell somite 2 muscle pioneer somite 2 myotome somite 3 slow muscle cell somite 3 muscle pioneer somite 3 myotome somite 4 slow muscle cell somite 4 muscle pioneer somite 4 myotome somite 5 slow muscle cell somite 5 muscle pioneer somite 5 myotome somite 6 slow muscle cell somite 6 muscle pioneer somite 6 myotome somite 7 slow muscle cell somite 7 muscle pioneer somite 7 myotome somite 8 slow muscle cell somite 8 muscle pioneer somite 8 myotome somite 9 slow muscle cell somite 9 muscle pioneer somite 9 myotome somite 10 slow muscle cell somite 10 muscle pioneer somite 10 myotome somite 11 slow muscle cell somite 11 muscle pioneer somite 11 myotome somite 12 slow muscle cell somite 12 muscle pioneer somite 12 myotome somite 13 slow muscle cell somite 13 muscle pioneer somite 13 myotome somite 14 slow muscle cell somite 14 muscle pioneer somite 14 myotome somite 15 slow muscle cell somite 15 muscle pioneer somite 15 myotome somite 16 slow muscle cell somite 16 muscle pioneer somite 16 myotome somite 17 slow muscle cell somite 17 muscle pioneer somite 17 myotome somite 18 slow muscle cell somite 18 muscle pioneer somite 18 myotome somite 19 slow muscle cell somite 19 muscle pioneer somite 19 myotome somite 20 slow muscle cell somite 20 muscle pioneer somite 20 myotome somite 21 slow muscle cell somite 21 muscle pioneer somite 21 myotome somite 22 slow muscle cell somite 22 muscle pioneer somite 22 myotome somite 23 slow muscle cell somite 23 muscle pioneer somite 23 myotome somite 24 slow muscle cell somite 24 muscle pioneer somite 24 myotome somite 25 slow muscle cell somite 25 muscle pioneer somite 25 myotome somite 26 slow muscle cell somite 26 muscle pioneer somite 26 myotome somite 27 slow muscle cell somite 27 muscle pioneer somite 27 myotome somite 28 slow muscle cell somite 28 muscle pioneer somite 28 myotome somite 29 slow muscle cell somite 29 muscle pioneer somite 29 myotome somite 30 slow muscle cell somite 30 muscle pioneer somite 30 slow muscle cell muscle pioneer sclerotome sclerotome somite 1 sclerotome somite 2 sclerotome somite 3 sclerotome somite 4 sclerotome somite 5 sclerotome somite 6 sclerotome somite 7 sclerotome somite 8 sclerotome somite 9 sclerotome somite 10 sclerotome somite 11 sclerotome somite 12 sclerotome somite 13 sclerotome somite 14 sclerotome somite 15 sclerotome somite 16 sclerotome somite 17 sclerotome somite 18 sclerotome somite 19 sclerotome somite 20 sclerotome somite 21 sclerotome somite 22 sclerotome somite 23 sclerotome somite 24 sclerotome somite 25 sclerotome somite 26 sclerotome somite 27 sclerotome somite 28 sclerotome somite 29 sclerotome somite 30 somite 1 somite 2 somite 3 somite 4 somite 5 somite 6 somite 7 somite 8 somite 9 somite 10 somite 11 somite 12 somite 13 somite 14 somite 15 somite 16 somite 17 somite 18 somite 19 somite 20 somite 21 somite 22 somite 23 somite 24 somite 25 somite 26 somite 27 somite 28 somite 29 somite 30 portion of tissue actinotrichium corpuscles of Stannius ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion hypochord intermediate cell mass of mesoderm lateral floor plate lateral line anterior lateral line otic lateral line macula medial floor plate mesenchyme head mesenchyme mesenchyme derived from head mesoderm mesenchyme dorsal fin trunk mesenchyme intermediate mesenchyme lateral mesenchyme derived from mesoderm mesenchyme derived from trunk neural crest lateral migration pathway mesenchyme medial migration pathway mesenchyme paraxial mesoderm ventral mesenchyme neuroectoderm primary neuron notochord notochord posterior region presumptive bulbus arteriosus presumptive endocardium presumptive sinus venosus primary germ layer ectoderm endoderm gut esophagus pneumatic duct gut absorptive cell intestine intestinal bulb mid intestine posterior intestine pharyngeal endoderm pharyngeal epithelium thymus primordium thyroid primordium mesoderm mesoderm pectoral fin bud zone of polarizing activity pectoral fin bud mesoderm pelvic fin bud zone of polarizing activity pelvic fin bud pharyngeal mesoderm roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism embryo pelvic fin bud apical ectodermal ridge pelvic fin bud anatomical set anatomical cluster inner ear otolith organ otolith lapillus sagitta neuromast oral region ventricular zone reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter postoptic commissure tract of the postoptic commissure epithalamus pineal complex epiphysis floor plate diencephalic region hypophysis melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system immature Schwann cell lateral line system anterior lateral line system anterior lateral line placode anterior lateral line primordium lateral line primordium posterior lateral line primordium primary posterior lateral line primordium posterior lateral line system sensory system olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium sensory neuron sensory axons peripheral vestibuloauditory system visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature cardiovascular system pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery cranial division of the internal carotid artery dorsal aorta hyaloid artery optic artery primitive mesencephalic artery primitive prosencephalic artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein vein anterior cerebral vein hyaloid vein median axial vein optic vein posterior caudal vein primordial hindbrain channel cranial vasculature brain vasculature trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct liver pancreatic system pharynx endocrine system immune system kidney interrenal primordium macrophage lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric duct opening pronephric glomerulus pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD pharyngeal pouch 1 immature macula immature anterior macula immature hair cell anterior macula hair cell anterior macula immature posterior macula immature hair cell posterior macula hair cell posterior macula secondary motor neuron serous membrane caudal vein plexus heart tube presumptive atrium heart tube presumptive cardiac ventricle heart tube liver and biliary system ocular blood vessel hyaloid vessel pectoral fin bud apical ectodermal ridge pectoral fin bud terminal nerve zona limitans intrathalamica apical ectodermal ridge dorsal fin basophilic erythroblast dorsolateral motor nucleus of vagal nerve larval melanophore stripe dorsal larval melanophore stripe Pharyngula:Prim-25 anatomical line groove optic furrow anatomical space choroidal fissure olfactory pit anatomical structure acellular anatomical structure collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum cell digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte endodermal cell gut endothelial cell glial cell mucus secreting cell neuromast mantle cell neuromast support cell pigment cell melanocyte Rohon-Beard neuron yolk ball extension YSL embryonic structure hatching gland pancreatic bud anterior pancreatic bud posterior pancreatic bud presumptive structure presumptive enteric nervous system swim bladder bud extraembryonic structure chorion organism subdivision head cranium splanchnocranium pharyngeal arch 3-7 skeleton eye corneal primordium lens retina retinal neural layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 aortic arch 2 pharyngeal arch 3-7 pharyngeal arch 3 pharyngeal arch 4 pharyngeal arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin surface structure fin pectoral fin mesenchyme pectoral fin pectoral fin musculature pelvic fin apical ectodermal ridge pelvic fin mesenchyme pelvic fin integument dermis epidermis epidermal basal stratum epidermal superficial stratum median fin fold apical ectodermal ridge median fin fold dorsal fin fold dorsal actinotrichium fin fold actinotrichium ventral actinotrichium mesenchyme median fin fold ventral fin fold proctodeum stomodeum vent trunk somite myotome epaxial myotome region epaxial region somite 1 epaxial region somite 2 epaxial region somite 3 epaxial region somite 4 epaxial region somite 5 epaxial region somite 6 epaxial region somite 7 epaxial region somite 8 epaxial region somite 9 epaxial region somite 10 epaxial region somite 11 epaxial region somite 12 epaxial region somite 13 epaxial region somite 14 epaxial region somite 15 epaxial region somite 16 epaxial region somite 17 epaxial region somite 18 epaxial region somite 19 epaxial region somite 20 epaxial region somite 21 epaxial region somite 22 epaxial region somite 23 epaxial region somite 24 epaxial region somite 25 epaxial region somite 26 epaxial region somite 27 epaxial region somite 28 epaxial region somite 29 epaxial region somite 30 fast muscle cell fast muscle cell somite 1 fast muscle cell somite 2 fast muscle cell somite 3 fast muscle cell somite 4 fast muscle cell somite 5 fast muscle cell somite 6 fast muscle cell somite 7 fast muscle cell somite 8 fast muscle cell somite 9 fast muscle cell somite 10 fast muscle cell somite 11 fast muscle cell somite 12 fast muscle cell somite 13 fast muscle cell somite 14 fast muscle cell somite 15 fast muscle cell somite 16 fast muscle cell somite 17 fast muscle cell somite 18 fast muscle cell somite 19 fast muscle cell somite 20 fast muscle cell somite 21 fast muscle cell somite 22 fast muscle cell somite 23 fast muscle cell somite 24 fast muscle cell somite 25 fast muscle cell somite 26 fast muscle cell somite 27 fast muscle cell somite 28 fast muscle cell somite 29 fast muscle cell somite 30 hypaxial myotome region hypaxial region somite 1 hypaxial region somite 2 hypaxial region somite 3 hypaxial region somite 4 hypaxial region somite 5 hypaxial region somite 6 hypaxial region somite 7 hypaxial region somite 8 hypaxial region somite 9 hypaxial region somite 10 hypaxial region somite 11 hypaxial region somite 12 hypaxial region somite 13 hypaxial region somite 14 hypaxial region somite 15 hypaxial region somite 16 hypaxial region somite 17 hypaxial region somite 18 hypaxial region somite 19 hypaxial region somite 20 hypaxial region somite 21 hypaxial region somite 22 hypaxial region somite 23 hypaxial region somite 24 hypaxial region somite 25 hypaxial region somite 26 hypaxial region somite 27 hypaxial region somite 28 hypaxial region somite 29 hypaxial region somite 30 myotome somite 1 slow muscle cell somite 1 muscle pioneer somite 1 myotome somite 2 slow muscle cell somite 2 muscle pioneer somite 2 myotome somite 3 slow muscle cell somite 3 muscle pioneer somite 3 myotome somite 4 slow muscle cell somite 4 muscle pioneer somite 4 myotome somite 5 slow muscle cell somite 5 muscle pioneer somite 5 myotome somite 6 slow muscle cell somite 6 muscle pioneer somite 6 myotome somite 7 slow muscle cell somite 7 muscle pioneer somite 7 myotome somite 8 slow muscle cell somite 8 muscle pioneer somite 8 myotome somite 9 slow muscle cell somite 9 muscle pioneer somite 9 myotome somite 10 slow muscle cell somite 10 muscle pioneer somite 10 myotome somite 11 slow muscle cell somite 11 muscle pioneer somite 11 myotome somite 12 slow muscle cell somite 12 muscle pioneer somite 12 myotome somite 13 slow muscle cell somite 13 muscle pioneer somite 13 myotome somite 14 slow muscle cell somite 14 muscle pioneer somite 14 myotome somite 15 slow muscle cell somite 15 muscle pioneer somite 15 myotome somite 16 slow muscle cell somite 16 muscle pioneer somite 16 myotome somite 17 slow muscle cell somite 17 muscle pioneer somite 17 myotome somite 18 slow muscle cell somite 18 muscle pioneer somite 18 myotome somite 19 slow muscle cell somite 19 muscle pioneer somite 19 myotome somite 20 slow muscle cell somite 20 muscle pioneer somite 20 myotome somite 21 slow muscle cell somite 21 muscle pioneer somite 21 myotome somite 22 slow muscle cell somite 22 muscle pioneer somite 22 myotome somite 23 slow muscle cell somite 23 muscle pioneer somite 23 myotome somite 24 slow muscle cell somite 24 muscle pioneer somite 24 myotome somite 25 slow muscle cell somite 25 muscle pioneer somite 25 myotome somite 26 slow muscle cell somite 26 muscle pioneer somite 26 myotome somite 27 slow muscle cell somite 27 muscle pioneer somite 27 myotome somite 28 slow muscle cell somite 28 muscle pioneer somite 28 myotome somite 29 slow muscle cell somite 29 muscle pioneer somite 29 myotome somite 30 slow muscle cell somite 30 muscle pioneer somite 30 slow muscle cell muscle pioneer sclerotome sclerotome somite 1 sclerotome somite 2 sclerotome somite 3 sclerotome somite 4 sclerotome somite 5 sclerotome somite 6 sclerotome somite 7 sclerotome somite 8 sclerotome somite 9 sclerotome somite 10 sclerotome somite 11 sclerotome somite 12 sclerotome somite 13 sclerotome somite 14 sclerotome somite 15 sclerotome somite 16 sclerotome somite 17 sclerotome somite 18 sclerotome somite 19 sclerotome somite 20 sclerotome somite 21 sclerotome somite 22 sclerotome somite 23 sclerotome somite 24 sclerotome somite 25 sclerotome somite 26 sclerotome somite 27 sclerotome somite 28 sclerotome somite 29 sclerotome somite 30 somite 1 somite 2 somite 3 somite 4 somite 5 somite 6 somite 7 somite 8 somite 9 somite 10 somite 11 somite 12 somite 13 somite 14 somite 15 somite 16 somite 17 somite 18 somite 19 somite 20 somite 21 somite 22 somite 23 somite 24 somite 25 somite 26 somite 27 somite 28 somite 29 somite 30 portion of tissue actinotrichium corpuscles of Stannius ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion hypochord intermediate cell mass of mesoderm lateral floor plate lateral line anterior lateral line middle lateral line otic lateral line supraorbital lateral line macula medial floor plate mesenchyme head mesenchyme mesenchyme derived from head mesoderm mesenchyme dorsal fin trunk mesenchyme intermediate mesenchyme lateral mesenchyme derived from mesoderm mesenchyme derived from trunk neural crest lateral migration pathway mesenchyme medial migration pathway mesenchyme paraxial mesoderm ventral mesenchyme neuroectoderm primary neuron notochord notochord posterior region presumptive atrioventricular canal presumptive bulbus arteriosus presumptive endocardium presumptive sinus venosus primary germ layer ectoderm endoderm gut esophagus pneumatic duct gut absorptive cell intestine intestinal bulb mid intestine posterior intestine mesoderm roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism embryo anatomical set anatomical cluster inner ear otolith organ otolith lapillus sagitta neuromast oral region ventricular zone reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter postoptic commissure tract of the postoptic commissure epithalamus pineal complex epiphysis floor plate diencephalic region hypophysis melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system immature Schwann cell lateral line system anterior lateral line system anterior lateral line placode lateral line primordium middle lateral line primordium posterior lateral line primordium primary posterior lateral line primordium posterior lateral line system sensory system olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium sensory neuron sensory axons peripheral vestibuloauditory system visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature cardiovascular system pericardium vasculature axial vasculature dorsal longitudinal anastomotic vessel blood vasculature artery aortic arch basal communicating artery carotid artery caudal artery cranial division of the internal carotid artery dorsal aorta hyaloid artery metencephalic artery nasal ciliary artery optic artery posterior communicating artery primitive mesencephalic artery primitive prosencephalic artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein vein anterior cerebral vein hyaloid vein median axial vein optic vein posterior caudal vein primordial hindbrain channel cranial vasculature brain vasculature trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct liver pancreatic system pharynx pharyngeal epithelium endocrine system thyroid primordium immune system kidney interrenal primordium macrophage thymus primordium lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric duct opening pronephric glomerulus pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD pharyngeal pouch 1 immature macula immature anterior macula immature hair cell anterior macula hair cell anterior macula immature posterior macula immature hair cell posterior macula hair cell posterior macula secondary motor neuron serous membrane caudal vein plexus heart tube presumptive atrium heart tube presumptive cardiac ventricle heart tube liver and biliary system ocular blood vessel hyaloid vessel pectoral fin bud apical ectodermal ridge pectoral fin bud terminal nerve zona limitans intrathalamica apical ectodermal ridge dorsal fin basophilic erythroblast dorsolateral motor nucleus of vagal nerve larval melanophore stripe dorsal larval melanophore stripe ventral larval melanophore stripe Pharyngula:High-pec anatomical line groove optic furrow anatomical space choroidal fissure olfactory pit semicircular canal anterior semicircular canal dorsolateral septum posterior semicircular canal anatomical structure acellular anatomical structure collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum cell cyanoblast digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte endodermal cell gut endothelial cell glial cell iridoblast iridophore gold iridophore silver iridophore leucoblast mucus secreting cell neuromast mantle cell neuromast support cell pigment cell melanocyte xanthophore pigment erythroblast Rohon-Beard neuron xanthoblast yolk ball extension YSL embryonic structure hatching gland pancreatic bud anterior pancreatic bud pancreatic duct posterior pancreatic bud presumptive structure presumptive enteric nervous system swim bladder bud extraembryonic structure chorion organism subdivision head cranium chondrocranium dermatocranium splanchnocranium pharyngeal arch 3-7 skeleton copula copula 1 eye corneal primordium lens retina retinal neural layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 aortic arch 2 pharyngeal arch 3-7 pharyngeal arch 3 pharyngeal arch 4 pharyngeal arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin surface structure fin pectoral fin mesenchyme pectoral fin pectoral fin musculature pectoral fin skeleton pectoral fin cartilage pectoral girdle cleithrum pelvic fin apical ectodermal ridge pelvic fin mesenchyme pelvic fin integument dermis epidermis epidermal basal stratum epidermal superficial stratum median fin fold apical ectodermal ridge median fin fold dorsal fin fold dorsal actinotrichium fin fold actinotrichium ventral actinotrichium mesenchyme median fin fold ventral fin fold proctodeum vent trunk somite myotome epaxial myotome region epaxial region somite 1 epaxial region somite 2 epaxial region somite 3 epaxial region somite 4 epaxial region somite 5 epaxial region somite 6 epaxial region somite 7 epaxial region somite 8 epaxial region somite 9 epaxial region somite 10 epaxial region somite 11 epaxial region somite 12 epaxial region somite 13 epaxial region somite 14 epaxial region somite 15 epaxial region somite 16 epaxial region somite 17 epaxial region somite 18 epaxial region somite 19 epaxial region somite 20 epaxial region somite 21 epaxial region somite 22 epaxial region somite 23 epaxial region somite 24 epaxial region somite 25 epaxial region somite 26 epaxial region somite 27 epaxial region somite 28 epaxial region somite 29 epaxial region somite 30 fast muscle cell fast muscle cell somite 1 fast muscle cell somite 2 fast muscle cell somite 3 fast muscle cell somite 4 fast muscle cell somite 5 fast muscle cell somite 6 fast muscle cell somite 7 fast muscle cell somite 8 fast muscle cell somite 9 fast muscle cell somite 10 fast muscle cell somite 11 fast muscle cell somite 12 fast muscle cell somite 13 fast muscle cell somite 14 fast muscle cell somite 15 fast muscle cell somite 16 fast muscle cell somite 17 fast muscle cell somite 18 fast muscle cell somite 19 fast muscle cell somite 20 fast muscle cell somite 21 fast muscle cell somite 22 fast muscle cell somite 23 fast muscle cell somite 24 fast muscle cell somite 25 fast muscle cell somite 26 fast muscle cell somite 27 fast muscle cell somite 28 fast muscle cell somite 29 fast muscle cell somite 30 hypaxial myotome region hypaxial region somite 1 hypaxial region somite 2 hypaxial region somite 3 hypaxial region somite 4 hypaxial region somite 5 hypaxial region somite 6 hypaxial region somite 7 hypaxial region somite 8 hypaxial region somite 9 hypaxial region somite 10 hypaxial region somite 11 hypaxial region somite 12 hypaxial region somite 13 hypaxial region somite 14 hypaxial region somite 15 hypaxial region somite 16 hypaxial region somite 17 hypaxial region somite 18 hypaxial region somite 19 hypaxial region somite 20 hypaxial region somite 21 hypaxial region somite 22 hypaxial region somite 23 hypaxial region somite 24 hypaxial region somite 25 hypaxial region somite 26 hypaxial region somite 27 hypaxial region somite 28 hypaxial region somite 29 hypaxial region somite 30 myotome somite 1 slow muscle cell somite 1 muscle pioneer somite 1 myotome somite 2 slow muscle cell somite 2 muscle pioneer somite 2 myotome somite 3 slow muscle cell somite 3 muscle pioneer somite 3 myotome somite 4 slow muscle cell somite 4 muscle pioneer somite 4 myotome somite 5 slow muscle cell somite 5 muscle pioneer somite 5 myotome somite 6 slow muscle cell somite 6 muscle pioneer somite 6 myotome somite 7 slow muscle cell somite 7 muscle pioneer somite 7 myotome somite 8 slow muscle cell somite 8 muscle pioneer somite 8 myotome somite 9 slow muscle cell somite 9 muscle pioneer somite 9 myotome somite 10 slow muscle cell somite 10 muscle pioneer somite 10 myotome somite 11 slow muscle cell somite 11 muscle pioneer somite 11 myotome somite 12 slow muscle cell somite 12 muscle pioneer somite 12 myotome somite 13 slow muscle cell somite 13 muscle pioneer somite 13 myotome somite 14 slow muscle cell somite 14 muscle pioneer somite 14 myotome somite 15 slow muscle cell somite 15 muscle pioneer somite 15 myotome somite 16 slow muscle cell somite 16 muscle pioneer somite 16 myotome somite 17 slow muscle cell somite 17 muscle pioneer somite 17 myotome somite 18 slow muscle cell somite 18 muscle pioneer somite 18 myotome somite 19 slow muscle cell somite 19 muscle pioneer somite 19 myotome somite 20 slow muscle cell somite 20 muscle pioneer somite 20 myotome somite 21 slow muscle cell somite 21 muscle pioneer somite 21 myotome somite 22 slow muscle cell somite 22 muscle pioneer somite 22 myotome somite 23 slow muscle cell somite 23 muscle pioneer somite 23 myotome somite 24 slow muscle cell somite 24 muscle pioneer somite 24 myotome somite 25 slow muscle cell somite 25 muscle pioneer somite 25 myotome somite 26 slow muscle cell somite 26 muscle pioneer somite 26 myotome somite 27 slow muscle cell somite 27 muscle pioneer somite 27 myotome somite 28 slow muscle cell somite 28 muscle pioneer somite 28 myotome somite 29 slow muscle cell somite 29 muscle pioneer somite 29 myotome somite 30 slow muscle cell somite 30 muscle pioneer somite 30 slow muscle cell muscle pioneer sclerotome sclerotome somite 1 sclerotome somite 2 sclerotome somite 3 sclerotome somite 4 sclerotome somite 5 sclerotome somite 6 sclerotome somite 7 sclerotome somite 8 sclerotome somite 9 sclerotome somite 10 sclerotome somite 11 sclerotome somite 12 sclerotome somite 13 sclerotome somite 14 sclerotome somite 15 sclerotome somite 16 sclerotome somite 17 sclerotome somite 18 sclerotome somite 19 sclerotome somite 20 sclerotome somite 21 sclerotome somite 22 sclerotome somite 23 sclerotome somite 24 sclerotome somite 25 sclerotome somite 26 sclerotome somite 27 sclerotome somite 28 sclerotome somite 29 sclerotome somite 30 somite 1 somite 2 somite 3 somite 4 somite 5 somite 6 somite 7 somite 8 somite 9 somite 10 somite 11 somite 12 somite 13 somite 14 somite 15 somite 16 somite 17 somite 18 somite 19 somite 20 somite 21 somite 22 somite 23 somite 24 somite 25 somite 26 somite 27 somite 28 somite 29 somite 30 portion of tissue actinotrichium atrioventricular ring corpuscles of Stannius endocardial ring ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion hypochord intermediate cell mass of mesoderm lateral floor plate lateral line anterior lateral line anterior lateral line neuromast middle lateral line otic lateral line posterior lateral line posterior lateral line neuromast supraorbital lateral line macula medial floor plate mesenchyme head mesenchyme mesenchyme derived from head mesoderm mesenchyme dorsal fin trunk mesenchyme intermediate mesenchyme lateral mesenchyme derived from mesoderm mesenchyme derived from trunk neural crest lateral migration pathway mesenchyme medial migration pathway mesenchyme paraxial mesoderm ventral mesenchyme neuroectoderm primary neuron notochord notochord posterior region otic vesicle protrusion otic vesicle anterior protrusion otic vesicle lateral protrusion otic vesicle posterior protrusion primary germ layer ectoderm endoderm gut esophagus pneumatic duct gut absorptive cell intestine intestinal bulb mid intestine posterior intestine mesoderm roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism embryo anatomical set anatomical cluster inner ear otolith organ otolith lapillus sagitta neuromast oral region ventricular zone reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter postoptic commissure tract of the postoptic commissure epithalamus pineal complex epiphysis floor plate diencephalic region hypophysis melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system immature Schwann cell lateral line system anterior lateral line system lateral line primordium posterior lateral line primordium primary posterior lateral line primordium posterior lateral line system sensory system olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium sensory neuron sensory axons peripheral vestibuloauditory system visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature cardiovascular system heart atrioventricular canal atrium bulbus arteriosus cardiac ventricle sinus venosus pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery cranial division of the internal carotid artery dorsal aorta hyaloid artery optic artery posterior communicating artery primitive mesencephalic artery primitive prosencephalic artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein vein anterior cerebral vein hyaloid vein median axial vein optic vein posterior caudal vein primordial hindbrain channel cranial vasculature brain vasculature trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct hepatic duct liver pancreatic system pharynx pharyngeal epithelium endocrine system thyroid primordium immune system kidney interrenal primordium macrophage thymus primordium lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric duct opening pronephric glomerulus pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD pharyngeal pouch 1 immature macula immature anterior macula immature hair cell anterior macula hair cell anterior macula immature posterior macula immature hair cell posterior macula hair cell posterior macula secondary motor neuron serous membrane caudal vein plexus liver and biliary system ocular blood vessel hyaloid vessel pectoral fin bud apical ectodermal ridge pectoral fin bud terminal nerve zona limitans intrathalamica apical ectodermal ridge dorsal fin basophilic erythroblast dorsolateral motor nucleus of vagal nerve larval melanophore stripe dorsal larval melanophore stripe lateral larval melanophore stripe ventral larval melanophore stripe axial fin skeleton neurocranial trabecula trabecula cranii Hatching:Long-pec anatomical line groove optic furrow anatomical space choroidal fissure olfactory pit semicircular canal anterior semicircular canal anterior crista primordium dorsolateral septum lateral semicircular canal lateral crista primordium posterior semicircular canal posterior crista primordium anatomical structure acellular anatomical structure collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum tooth cusp cell cementocyte digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte endodermal cell gut endothelial cell glial cell mucus secreting cell neuromast mantle cell neuromast support cell pigment cell iridophore gold iridophore silver iridophore melanocyte xanthophore Rohon-Beard neuron yolk ball extension YSL embryonic structure fin bud fin caudal fin pectoral fin mesenchyme pectoral fin pectoral fin musculature pectoral fin skeleton pectoral fin cartilage pectoral girdle cleithrum pelvic fin apical ectodermal ridge pelvic fin mesenchyme pelvic fin pectoral fin bud fin fold pectoral fin bud hatching gland pancreatic bud anterior pancreatic bud exocrine pancreas pancreatic duct pancreas endocrine pancreas posterior pancreatic bud swim bladder bud organism subdivision head cranium chondrocranium dermatocranium splanchnocranium pharyngeal arch 3-7 skeleton ceratobranchial bone ceratobranchial 5 bone ceratobranchial 5 tooth tooth 4V ceratobranchial cartilage ceratobranchial 1 cartilage ceratobranchial 5 cartilage copula copula 1 eye corneal primordium lens retina ciliary marginal zone retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 aortic arch 2 pharyngeal arch 3-7 pharyngeal arch 3 aortic arch 3 pharyngeal arch 4 aortic arch 4 pharyngeal arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region surface structure integument dermis epidermis epidermal basal stratum epidermal superficial stratum median fin fold apical ectodermal ridge median fin fold dorsal fin fold dorsal actinotrichium fin fold actinotrichium ventral actinotrichium mesenchyme median fin fold ventral fin fold proctodeum vent trunk somite myotome epaxial myotome region epaxial region somite 1 epaxial region somite 2 epaxial region somite 3 epaxial region somite 4 epaxial region somite 5 epaxial region somite 6 epaxial region somite 7 epaxial region somite 8 epaxial region somite 9 epaxial region somite 10 epaxial region somite 11 epaxial region somite 12 epaxial region somite 13 epaxial region somite 14 epaxial region somite 15 epaxial region somite 16 epaxial region somite 17 epaxial region somite 18 epaxial region somite 19 epaxial region somite 20 epaxial region somite 21 epaxial region somite 22 epaxial region somite 23 epaxial region somite 24 epaxial region somite 25 epaxial region somite 26 epaxial region somite 27 epaxial region somite 28 epaxial region somite 29 epaxial region somite 30 fast muscle cell fast muscle cell somite 1 fast muscle cell somite 2 fast muscle cell somite 3 fast muscle cell somite 4 fast muscle cell somite 5 fast muscle cell somite 6 fast muscle cell somite 7 fast muscle cell somite 8 fast muscle cell somite 9 fast muscle cell somite 10 fast muscle cell somite 11 fast muscle cell somite 12 fast muscle cell somite 13 fast muscle cell somite 14 fast muscle cell somite 15 fast muscle cell somite 16 fast muscle cell somite 17 fast muscle cell somite 18 fast muscle cell somite 19 fast muscle cell somite 20 fast muscle cell somite 21 fast muscle cell somite 22 fast muscle cell somite 23 fast muscle cell somite 24 fast muscle cell somite 25 fast muscle cell somite 26 fast muscle cell somite 27 fast muscle cell somite 28 fast muscle cell somite 29 fast muscle cell somite 30 hypaxial myotome region hypaxial region somite 1 hypaxial region somite 2 hypaxial region somite 3 hypaxial region somite 4 hypaxial region somite 5 hypaxial region somite 6 hypaxial region somite 7 hypaxial region somite 8 hypaxial region somite 9 hypaxial region somite 10 hypaxial region somite 11 hypaxial region somite 12 hypaxial region somite 13 hypaxial region somite 14 hypaxial region somite 15 hypaxial region somite 16 hypaxial region somite 17 hypaxial region somite 18 hypaxial region somite 19 hypaxial region somite 20 hypaxial region somite 21 hypaxial region somite 22 hypaxial region somite 23 hypaxial region somite 24 hypaxial region somite 25 hypaxial region somite 26 hypaxial region somite 27 hypaxial region somite 28 hypaxial region somite 29 hypaxial region somite 30 myotome somite 1 slow muscle cell somite 1 muscle pioneer somite 1 myotome somite 2 slow muscle cell somite 2 muscle pioneer somite 2 myotome somite 3 slow muscle cell somite 3 muscle pioneer somite 3 myotome somite 4 slow muscle cell somite 4 muscle pioneer somite 4 myotome somite 5 slow muscle cell somite 5 muscle pioneer somite 5 myotome somite 6 slow muscle cell somite 6 muscle pioneer somite 6 myotome somite 7 slow muscle cell somite 7 muscle pioneer somite 7 myotome somite 8 slow muscle cell somite 8 muscle pioneer somite 8 myotome somite 9 slow muscle cell somite 9 muscle pioneer somite 9 myotome somite 10 slow muscle cell somite 10 muscle pioneer somite 10 myotome somite 11 slow muscle cell somite 11 muscle pioneer somite 11 myotome somite 12 slow muscle cell somite 12 muscle pioneer somite 12 myotome somite 13 slow muscle cell somite 13 muscle pioneer somite 13 myotome somite 14 slow muscle cell somite 14 muscle pioneer somite 14 myotome somite 15 slow muscle cell somite 15 muscle pioneer somite 15 myotome somite 16 slow muscle cell somite 16 muscle pioneer somite 16 myotome somite 17 slow muscle cell somite 17 muscle pioneer somite 17 myotome somite 18 slow muscle cell somite 18 muscle pioneer somite 18 myotome somite 19 slow muscle cell somite 19 muscle pioneer somite 19 myotome somite 20 slow muscle cell somite 20 muscle pioneer somite 20 myotome somite 21 slow muscle cell somite 21 muscle pioneer somite 21 myotome somite 22 slow muscle cell somite 22 muscle pioneer somite 22 myotome somite 23 slow muscle cell somite 23 muscle pioneer somite 23 myotome somite 24 slow muscle cell somite 24 muscle pioneer somite 24 myotome somite 25 slow muscle cell somite 25 muscle pioneer somite 25 myotome somite 26 slow muscle cell somite 26 muscle pioneer somite 26 myotome somite 27 slow muscle cell somite 27 muscle pioneer somite 27 myotome somite 28 slow muscle cell somite 28 muscle pioneer somite 28 myotome somite 29 slow muscle cell somite 29 muscle pioneer somite 29 myotome somite 30 slow muscle cell somite 30 muscle pioneer somite 30 slow muscle cell muscle pioneer sclerotome sclerotome somite 1 sclerotome somite 2 sclerotome somite 3 sclerotome somite 4 sclerotome somite 5 sclerotome somite 6 sclerotome somite 7 sclerotome somite 8 sclerotome somite 9 sclerotome somite 10 sclerotome somite 11 sclerotome somite 12 sclerotome somite 13 sclerotome somite 14 sclerotome somite 15 sclerotome somite 16 sclerotome somite 17 sclerotome somite 18 sclerotome somite 19 sclerotome somite 20 sclerotome somite 21 sclerotome somite 22 sclerotome somite 23 sclerotome somite 24 sclerotome somite 25 sclerotome somite 26 sclerotome somite 27 sclerotome somite 28 sclerotome somite 29 sclerotome somite 30 somite 1 somite 2 somite 3 somite 4 somite 5 somite 6 somite 7 somite 8 somite 9 somite 10 somite 11 somite 12 somite 13 somite 14 somite 15 somite 16 somite 17 somite 18 somite 19 somite 20 somite 21 somite 22 somite 23 somite 24 somite 25 somite 26 somite 27 somite 28 somite 29 somite 30 portion of tissue actinotrichium atrioventricular ring corpuscles of Stannius endocardial ring ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion hypochord intermediate cell mass of mesoderm lateral floor plate lateral line anterior lateral line anterior lateral line neuromast infraorbital lateral line mandibular lateral line middle lateral line otic lateral line posterior lateral line posterior lateral line neuromast supraorbital lateral line macula medial floor plate mesenchyme head mesenchyme mesenchyme derived from head mesoderm mesenchyme dorsal fin trunk mesenchyme intermediate mesenchyme lateral mesenchyme derived from mesoderm mesenchyme derived from trunk neural crest lateral migration pathway mesenchyme medial migration pathway mesenchyme paraxial mesoderm ventral mesenchyme neuroectoderm primary neuron notochord notochord posterior region otic vesicle protrusion otic vesicle anterior protrusion otic vesicle lateral protrusion otic vesicle posterior protrusion primary germ layer ectoderm oral ectoderm endoderm gut enteric nervous system esophagus pneumatic duct gut absorptive cell intestine intestinal bulb mid intestine posterior intestine mesoderm roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle tooth placode ventral wall of dorsal aorta whole organism female organism middle lateral line placode anatomical set anatomical cluster inner ear otolith organ otolith lapillus sagitta neuromast oral region oral epithelium ventricular zone ventral mandibular arch Meckel's cartilage reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter cranial nerve II optic chiasm optic tract postoptic commissure tract of the postoptic commissure epithalamus habenula pineal complex epiphysis parapineal organ floor plate diencephalic region hypophysis adenohypophysis somatotropin secreting cell thyroid stimulating hormone secreting cell melanocyte stimulating hormone secreting cell hypothalamus intermediate hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract lateral forebrain bundle floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system lateral line system anterior lateral line system lateral line primordium posterior lateral line primordium primary posterior lateral line primordium secondary posterior lateral line primordium posterior lateral line system myelinating Schwann cell sensory system olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium sensory neuron sensory axons peripheral vestibuloauditory system visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature cardiovascular system heart atrium bulbus arteriosus cardiac ventricle sinus venosus pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery central artery anterior mesencephalic central artery middle mesencephalic central artery posterior mesencephalic central artery communicating vessel palatocerebral artery cranial division of the internal carotid artery dorsal aorta dorsal branch nasal ciliary artery dorsal ciliary vein hyaloid artery mesencephalic artery opercular artery optic artery palatocerebral artery posterior communicating artery primitive prosencephalic artery prosencephalic artery ventral branch nasal ciliary artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein vein anterior cerebral vein caudal vein dorsal longitudinal vein hyaloid vein median axial vein median palatocerebral vein mesencephalic vein optic vein posterior caudal vein posterior cerebral vein primary head sinus primordial hindbrain channel supraintestinal vein cranial vasculature brain vasculature trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct hepatic duct gall bladder liver left liver lobe pancreatic system pharynx pharyngeal epithelium endocrine system thyroid follicle thyroid primordium immune system kidney interrenal primordium macrophage thymus primordium lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric duct opening pronephric glomerulus pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD pharyngeal pouch 1 immature macula immature anterior macula immature hair cell anterior macula hair cell anterior macula immature posterior macula immature hair cell posterior macula hair cell posterior macula secondary motor neuron serous membrane caudal vein plexus liver and biliary system ocular blood vessel hyaloid vessel terminal nerve zona limitans intrathalamica apical ectodermal ridge dorsal fin basophilic erythroblast dorsolateral motor nucleus of vagal nerve larval melanophore stripe dorsal larval melanophore stripe lateral larval melanophore stripe ventral larval melanophore stripe axial fin skeleton trabecula cranii ceratohyal cartilage ethmoid cartilage hyohyoideus hyosymplectic cartilage sternohyoid larva medial motor nucleus of vagal nerve palatoquadrate cartilage parachordal cartilage interhyoideus ventral tooth row Hatching:Pec-fin adenohypophyseal placode adenohypophysis somatotropin secreting cell thyroid stimulating hormone secreting cell anatomical line groove optic furrow anatomical space choroidal fissure olfactory pit semicircular canal anterior semicircular canal anterior crista primordium dorsolateral septum lateral semicircular canal lateral crista primordium posterior semicircular canal posterior crista primordium anatomical structure acellular anatomical structure Bowman's layer collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum tooth cusp cell cementocyte digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte endodermal cell gut endothelial cell glial cell mucus secreting cell neuromast mantle cell neuromast support cell pigment cell iridophore gold iridophore silver iridophore melanocyte xanthophore Rohon-Beard neuron yolk ball extension YSL embryonic structure hatching gland pancreatic bud anterior pancreatic bud exocrine pancreas pancreatic duct pancreas endocrine pancreas organism subdivision head cranium chondrocranium dermatocranium splanchnocranium pharyngeal arch 3-7 skeleton ceratobranchial bone ceratobranchial 5 bone ceratobranchial 5 tooth tooth 4V ceratobranchial cartilage ceratobranchial 1 cartilage ceratobranchial 2 cartilage ceratobranchial 3 cartilage ceratobranchial 4 cartilage ceratobranchial 5 cartilage copula copula 1 eye cornea corneal endothelium corneal epithelium corneal stroma Descemet's membrane lens retina ciliary marginal zone retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 aortic arch 2 pharyngeal arch 3-7 pharyngeal arch 3 aortic arch 3 pharyngeal arch 4 aortic arch 4 pharyngeal arch 5 aortic arch 5 pharyngeal arch 6 aortic arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin surface structure fin pectoral fin mesenchyme pectoral fin pectoral fin fold pectoral fin musculature pectoral fin skeleton pectoral fin cartilage pectoral girdle cleithrum pectoral fin vasculature pelvic fin apical ectodermal ridge pelvic fin mesenchyme pelvic fin integument dermis epidermis epidermal basal stratum epidermal superficial stratum median fin fold apical ectodermal ridge median fin fold dorsal fin fold dorsal actinotrichium fin fold actinotrichium ventral actinotrichium mesenchyme median fin fold ventral fin fold proctodeum vent trunk somite myotome epaxial myotome region epaxial region somite 1 epaxial region somite 2 epaxial region somite 3 epaxial region somite 4 epaxial region somite 5 epaxial region somite 6 epaxial region somite 7 epaxial region somite 8 epaxial region somite 9 epaxial region somite 10 epaxial region somite 11 epaxial region somite 12 epaxial region somite 13 epaxial region somite 14 epaxial region somite 15 epaxial region somite 16 epaxial region somite 17 epaxial region somite 18 epaxial region somite 19 epaxial region somite 20 epaxial region somite 21 epaxial region somite 22 epaxial region somite 23 epaxial region somite 24 epaxial region somite 25 epaxial region somite 26 epaxial region somite 27 epaxial region somite 28 epaxial region somite 29 epaxial region somite 30 fast muscle cell fast muscle cell somite 1 fast muscle cell somite 2 fast muscle cell somite 3 fast muscle cell somite 4 fast muscle cell somite 5 fast muscle cell somite 6 fast muscle cell somite 7 fast muscle cell somite 8 fast muscle cell somite 9 fast muscle cell somite 10 fast muscle cell somite 11 fast muscle cell somite 12 fast muscle cell somite 13 fast muscle cell somite 14 fast muscle cell somite 15 fast muscle cell somite 16 fast muscle cell somite 17 fast muscle cell somite 18 fast muscle cell somite 19 fast muscle cell somite 20 fast muscle cell somite 21 fast muscle cell somite 22 fast muscle cell somite 23 fast muscle cell somite 24 fast muscle cell somite 25 fast muscle cell somite 26 fast muscle cell somite 27 fast muscle cell somite 28 fast muscle cell somite 29 fast muscle cell somite 30 hypaxial myotome region hypaxial region somite 1 hypaxial region somite 2 hypaxial region somite 3 hypaxial region somite 4 hypaxial region somite 5 hypaxial region somite 6 hypaxial region somite 7 hypaxial region somite 8 hypaxial region somite 9 hypaxial region somite 10 hypaxial region somite 11 hypaxial region somite 12 hypaxial region somite 13 hypaxial region somite 14 hypaxial region somite 15 hypaxial region somite 16 hypaxial region somite 17 hypaxial region somite 18 hypaxial region somite 19 hypaxial region somite 20 hypaxial region somite 21 hypaxial region somite 22 hypaxial region somite 23 hypaxial region somite 24 hypaxial region somite 25 hypaxial region somite 26 hypaxial region somite 27 hypaxial region somite 28 hypaxial region somite 29 hypaxial region somite 30 myotome somite 1 slow muscle cell somite 1 muscle pioneer somite 1 myotome somite 2 slow muscle cell somite 2 muscle pioneer somite 2 myotome somite 3 slow muscle cell somite 3 muscle pioneer somite 3 myotome somite 4 slow muscle cell somite 4 muscle pioneer somite 4 myotome somite 5 slow muscle cell somite 5 muscle pioneer somite 5 myotome somite 6 slow muscle cell somite 6 muscle pioneer somite 6 myotome somite 7 slow muscle cell somite 7 muscle pioneer somite 7 myotome somite 8 slow muscle cell somite 8 muscle pioneer somite 8 myotome somite 9 slow muscle cell somite 9 muscle pioneer somite 9 myotome somite 10 slow muscle cell somite 10 muscle pioneer somite 10 myotome somite 11 slow muscle cell somite 11 muscle pioneer somite 11 myotome somite 12 slow muscle cell somite 12 muscle pioneer somite 12 myotome somite 13 slow muscle cell somite 13 muscle pioneer somite 13 myotome somite 14 slow muscle cell somite 14 muscle pioneer somite 14 myotome somite 15 slow muscle cell somite 15 muscle pioneer somite 15 myotome somite 16 slow muscle cell somite 16 muscle pioneer somite 16 myotome somite 17 slow muscle cell somite 17 muscle pioneer somite 17 myotome somite 18 slow muscle cell somite 18 muscle pioneer somite 18 myotome somite 19 slow muscle cell somite 19 muscle pioneer somite 19 myotome somite 20 slow muscle cell somite 20 muscle pioneer somite 20 myotome somite 21 slow muscle cell somite 21 muscle pioneer somite 21 myotome somite 22 slow muscle cell somite 22 muscle pioneer somite 22 myotome somite 23 slow muscle cell somite 23 muscle pioneer somite 23 myotome somite 24 slow muscle cell somite 24 muscle pioneer somite 24 myotome somite 25 slow muscle cell somite 25 muscle pioneer somite 25 myotome somite 26 slow muscle cell somite 26 muscle pioneer somite 26 myotome somite 27 slow muscle cell somite 27 muscle pioneer somite 27 myotome somite 28 slow muscle cell somite 28 muscle pioneer somite 28 myotome somite 29 slow muscle cell somite 29 muscle pioneer somite 29 myotome somite 30 slow muscle cell somite 30 muscle pioneer somite 30 slow muscle cell muscle pioneer sclerotome sclerotome somite 1 sclerotome somite 2 sclerotome somite 3 sclerotome somite 4 sclerotome somite 5 sclerotome somite 6 sclerotome somite 7 sclerotome somite 8 sclerotome somite 9 sclerotome somite 10 sclerotome somite 11 sclerotome somite 12 sclerotome somite 13 sclerotome somite 14 sclerotome somite 15 sclerotome somite 16 sclerotome somite 17 sclerotome somite 18 sclerotome somite 19 sclerotome somite 20 sclerotome somite 21 sclerotome somite 22 sclerotome somite 23 sclerotome somite 24 sclerotome somite 25 sclerotome somite 26 sclerotome somite 27 sclerotome somite 28 sclerotome somite 29 sclerotome somite 30 somite 1 somite 2 somite 3 somite 4 somite 5 somite 6 somite 7 somite 8 somite 9 somite 10 somite 11 somite 12 somite 13 somite 14 somite 15 somite 16 somite 17 somite 18 somite 19 somite 20 somite 21 somite 22 somite 23 somite 24 somite 25 somite 26 somite 27 somite 28 somite 29 somite 30 portion of tissue actinotrichium anterior swim bladder bud atrioventricular ring corpuscles of Stannius endocardial cushion endocardial ring ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion hypochord lateral floor plate lateral line anterior lateral line anterior lateral line neuromast dorsal lateral line dorsal lateral line neuromast infraorbital lateral line mandibular lateral line middle lateral line otic lateral line posterior lateral line posterior lateral line neuromast supraorbital lateral line macula medial floor plate mesenchyme head mesenchyme mesenchyme derived from head mesoderm mesenchyme dorsal fin trunk mesenchyme intermediate mesenchyme lateral mesenchyme derived from mesoderm mesenchyme derived from trunk neural crest lateral migration pathway mesenchyme medial migration pathway mesenchyme paraxial mesoderm ventral mesenchyme neuroectoderm primary neuron notochord notochord posterior region otic vesicle protrusion otic vesicle anterior protrusion otic vesicle lateral protrusion otic vesicle posterior protrusion otic vesicle ventral protrusion primary germ layer ectoderm endoderm gut enteric nervous system esophagus pneumatic duct gut absorptive cell intestine intestinal bulb mid intestine posterior intestine mesoderm roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism anatomical set anatomical cluster inner ear otolith organ otolith lapillus sagitta neuromast oral region oral epithelium ventricular zone ventral mandibular arch Meckel's cartilage reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter cranial nerve II optic chiasm optic tract postoptic commissure tract of the postoptic commissure epithalamus habenula pineal complex epiphysis parapineal organ floor plate diencephalic region hypophysis melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract lateral forebrain bundle floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system lateral line system anterior lateral line system lateral line primordium posterior lateral line primordium posterior lateral line system myelinating Schwann cell sensory system olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium sensory neuron sensory axons peripheral vestibuloauditory system visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature cardiovascular system heart atrium bulbus arteriosus cardiac ventricle sinus venosus pericardium vasculature axial vasculature blood vasculature artery anterior mesenteric artery aortic arch carotid artery caudal artery cranial division of the internal carotid artery dorsal aorta hyaloid artery intersegmental artery opercular artery optic artery pectoral artery posterior communicating artery posterior mesenteric artery swim bladder artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein vein anterior cerebral vein caudal vein hyaloid vein intersegmental vein median axial vein optic vein palatocerebral vein pectoral vein posterior caudal vein primordial hindbrain channel subintestinal vein cranial vasculature brain vasculature trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct hepatic duct gall bladder liver left liver lobe pancreatic system pharynx pharyngeal epithelium endocrine system thyroid follicle ultimobranchial body immune system kidney interrenal primordium macrophage thymus primordium lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric duct opening pronephric glomerulus pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD pharyngeal pouch 1 immature macula immature anterior macula immature hair cell anterior macula hair cell anterior macula immature posterior macula immature hair cell posterior macula hair cell posterior macula secondary motor neuron serous membrane caudal vein plexus liver and biliary system ocular blood vessel hyaloid vessel terminal nerve zona limitans intrathalamica apical ectodermal ridge dorsal fin basophilic erythroblast dorsolateral motor nucleus of vagal nerve larval melanophore stripe dorsal larval melanophore stripe lateral larval melanophore stripe ventral larval melanophore stripe axial fin skeleton trabecula cranii ceratohyal cartilage ethmoid cartilage hyohyoideus hyosymplectic cartilage sternohyoid larva medial motor nucleus of vagal nerve palatoquadrate cartilage interhyoideus ventral tooth row adductor operculi adductor hyomandibulae interhyal cartilage pectoral fin motor nerve 1 pectoral fin motor nerve 2 pectoral fin motor nerve 3 pectoral fin motor nerve 4 swim bladder Larval:Protruding-mouth anatomical line groove optic furrow anatomical space bile canaliculus choroidal fissure olfactory pit oral cavity semicircular canal anterior semicircular canal anterior crista anterior crista primordium dorsolateral septum pillar of the anterior semicircular canal lateral semicircular canal lateral crista lateral crista primordium pillar of the lateral semicircular canal pillar of the semicircular canal pillar of the posterior semicircular canal posterior semicircular canal posterior crista posterior crista primordium anatomical structure acellular anatomical structure Bowman's layer collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum tooth cusp cell cementocyte digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte endodermal cell gut endothelial cell glial cell mucus secreting cell neuromast mantle cell neuromast support cell pigment cell iridophore gold iridophore silver iridophore melanocyte xanthophore Rohon-Beard neuron yolk ball extension YSL embryonic structure organism subdivision head cranium chondrocranium dermatocranium splanchnocranium pharyngeal arch 3-7 skeleton ceratobranchial bone ceratobranchial 5 bone ceratobranchial 5 tooth tooth 3V tooth 4V tooth 5V ceratobranchial cartilage ceratobranchial 1 cartilage ceratobranchial 2 cartilage ceratobranchial 3 cartilage ceratobranchial 4 cartilage ceratobranchial 5 cartilage copula copula 1 hypobranchial cartilage eye cornea corneal endothelium corneal epithelium corneal stroma Descemet's membrane lens retina ciliary marginal zone retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 aortic arch 3 pharyngeal arch 4 aortic arch 4 pharyngeal arch 5 aortic arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin surface structure fin pectoral fin mesenchyme pectoral fin pectoral fin fold pectoral fin musculature pectoral fin skeleton pectoral fin cartilage pectoral girdle cleithrum pectoral fin vasculature pelvic fin apical ectodermal ridge pelvic fin mesenchyme pelvic fin integument dermis epidermis epidermal basal stratum epidermal superficial stratum median fin fold apical ectodermal ridge median fin fold dorsal fin fold mesenchyme median fin fold ventral fin fold proctodeum vent trunk portion of tissue actinotrichium anterior swim bladder bud atrioventricular ring corpuscles of Stannius endocardial cushion endocardial ring ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion hypochord lateral floor plate lateral line anterior lateral line anterior lateral line neuromast dorsal lateral line dorsal lateral line neuromast infraorbital lateral line mandibular lateral line middle lateral line opercular lateral line otic lateral line posterior lateral line posterior lateral line neuromast supraorbital lateral line macula medial floor plate mesenchyme head mesenchyme mesenchyme dorsal fin neuroectoderm primary neuron notochord notochord posterior region otic vesicle protrusion otic vesicle ventral protrusion primary germ layer ectoderm endoderm gut enteric nervous system esophagus pneumatic duct gut absorptive cell intestine intestinal bulb mid intestine posterior intestine roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism anatomical set anatomical cluster inner ear otolith organ otolith lapillus sagitta neuromast oral region oral epithelium ventricular zone ventral mandibular arch Meckel's cartilage reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter cranial nerve II optic chiasm optic tract postoptic commissure tract of the postoptic commissure epithalamus habenula pineal complex epiphysis parapineal organ floor plate diencephalic region hypophysis adenohypophysis adrenocorticotropic hormone secreting cell prolactin secreting cell somatotropin secreting cell thyroid stimulating hormone secreting cell melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract lateral forebrain bundle floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system lateral line system anterior lateral line system lateral line primordium posterior lateral line primordium posterior lateral line system myelinating Schwann cell sensory system gustatory system taste bud olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium olfactory rosette sensory neuron sensory axons peripheral vestibuloauditory system visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor pro-T cell musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature myotome fast muscle cell slow muscle cell cardiovascular system heart atrium bulbus arteriosus cardiac ventricle heart valve sinus venosus pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery dorsal aorta filamental artery hyaloid artery hypobranchial artery opercular artery optic artery pectoral artery posterior communicating artery pseudobranchial artery supraintestinal artery swim bladder artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein thoracic duct vein caudal vein hepatic portal vein hyaloid vein median axial vein optic vein pectoral vein cranial vasculature brain vasculature lymph vasculature dorsal longitudinal lymphatic vessel intersegmental lymph vessel trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct bile ductule common bile duct cystic duct extrahepatic duct hepatic duct intrahepatic bile duct pancreatic duct gall bladder hepatopancreatic ampulla liver left liver lobe right liver lobe pancreatic system pancreas endocrine pancreas exocrine pancreas pharynx pharyngeal epithelium endocrine system thyroid follicle ultimobranchial body immune system kidney interrenal primordium interrenal gland macrophage thymus thymus primordium lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric duct opening pronephric glomerulus pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD immature macula immature anterior macula immature hair cell anterior macula hair cell anterior macula immature posterior macula immature hair cell posterior macula hair cell posterior macula secondary motor neuron serous membrane caudal vein plexus liver and biliary system ocular blood vessel hyaloid vessel terminal nerve zona limitans intrathalamica apical ectodermal ridge dorsal fin basophilic erythroblast dorsolateral motor nucleus of vagal nerve larval melanophore stripe dorsal larval melanophore stripe lateral larval melanophore stripe ventral larval melanophore stripe yolk larval melanophore stripe axial fin skeleton trabecula cranii ceratohyal cartilage ethmoid cartilage hyohyoideus hyosymplectic cartilage sternohyoid larva medial motor nucleus of vagal nerve palatoquadrate cartilage interhyoideus ventral tooth row adductor operculi adductor hyomandibulae interhyal cartilage swim bladder cerebellar central artery levator operculi vertebra centrum Larval:Day 4 anatomical line groove optic furrow anatomical space bile canaliculus choroidal fissure olfactory pit oral cavity semicircular canal anterior semicircular canal anterior crista dorsolateral septum pillar of the anterior semicircular canal lateral semicircular canal lateral crista pillar of the lateral semicircular canal pillar of the semicircular canal pillar of the posterior semicircular canal posterior semicircular canal posterior crista anatomical structure acellular anatomical structure Bowman's layer collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum tooth cusp cell cementocyte digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte glial cell mucus secreting cell neuromast mantle cell neuromast support cell pigment cell iridophore gold iridophore silver iridophore melanocyte xanthophore Rohon-Beard neuron yolk ball extension YSL embryonic structure organism subdivision head cranium chondrocranium dermatocranium splanchnocranium pharyngeal arch 3-7 skeleton ceratobranchial bone ceratobranchial 5 bone ceratobranchial 5 tooth tooth 3V tooth 4V tooth 5V ceratobranchial cartilage ceratobranchial 1 cartilage ceratobranchial 2 cartilage ceratobranchial 3 cartilage ceratobranchial 4 cartilage ceratobranchial 5 cartilage copula copula 1 hypobranchial cartilage eye cornea corneal endothelium corneal epithelium corneal stroma Descemet's membrane lens retina ciliary marginal zone retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 aortic arch 3 pharyngeal arch 4 aortic arch 4 pharyngeal arch 5 aortic arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin surface structure fin pectoral fin pectoral fin fold pectoral fin musculature pectoral fin skeleton pectoral fin cartilage pectoral fin endoskeletal disc pectoral girdle cleithrum pectoral fin vasculature pelvic fin integument dermis epidermis epidermal basal stratum epidermal superficial stratum median fin fold apical ectodermal ridge median fin fold dorsal fin fold mesenchyme median fin fold ventral fin fold proctodeum vent trunk portion of tissue actinotrichium anterior swim bladder bud corpuscles of Stannius ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion lateral floor plate lateral line anterior lateral line anterior lateral line neuromast dorsal lateral line dorsal lateral line neuromast infraorbital lateral line infraorbital lateral line neuromast mandibular lateral line mandibular lateral line neuromast middle lateral line middle lateral line neuromast occipital lateral line occipital lateral line neuromast opercular lateral line opercular lateral line neuromast otic lateral line otic lateral line neuromast posterior lateral line posterior lateral line neuromast supraorbital lateral line supraorbital lateral line neuromast macula medial floor plate mesenchyme head mesenchyme neuroectoderm primary neuron notochord notochord posterior region primary germ layer ectoderm roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism anatomical set anatomical cluster inner ear otolith organ otolith lapillus sagitta neuromast oral region oral epithelium ventricular zone ventral mandibular arch Meckel's cartilage reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter cranial nerve II optic chiasm optic tract postoptic commissure tract of the postoptic commissure epithalamus habenula pineal complex epiphysis parapineal organ floor plate diencephalic region hypophysis adenohypophysis adrenocorticotropic hormone secreting cell prolactin secreting cell somatotropin secreting cell thyroid stimulating hormone secreting cell melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract lateral forebrain bundle floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system lateral line system anterior lateral line system lateral line primordium posterior lateral line primordium posterior lateral line system myelinating Schwann cell sensory system gustatory system taste bud olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium olfactory rosette sensory neuron sensory axons peripheral vestibuloauditory system visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor pro-T cell musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature myotome fast muscle cell slow muscle cell cardiovascular system heart atrium bulbus arteriosus cardiac ventricle heart valve sinus venosus pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery dorsal aorta filamental artery hyaloid artery nasal artery opercular artery optic artery pectoral artery posterior communicating artery swim bladder artery vertebral artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein parachordal vessel thoracic duct vein caudal vein hepatic portal vein hyaloid vein median axial vein nasal vein optic vein pectoral vein cranial vasculature brain vasculature lymph vasculature dorsal longitudinal lymphatic vessel intersegmental lymph vessel trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct bile ductule common bile duct cystic duct extrahepatic duct hepatic duct intrahepatic bile duct pancreatic duct gall bladder gut enteric nervous system esophagus pneumatic duct gut absorptive cell gut endothelial cell intestine intestinal bulb mid intestine posterior intestine hepatopancreatic ampulla liver left liver lobe right liver lobe pancreatic system pancreas endocrine pancreas exocrine pancreas pharynx internal gill bud pharyngeal epithelium endocrine system thyroid follicle ultimobranchial body immune system kidney macrophage thymus lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct pronephric duct opening pronephric glomerulus pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD immature macula immature anterior macula immature hair cell anterior macula hair cell anterior macula immature posterior macula immature hair cell posterior macula hair cell posterior macula secondary motor neuron serous membrane caudal vein plexus liver and biliary system ocular blood vessel hyaloid vessel optic choroid vascular plexus terminal nerve zona limitans intrathalamica basophilic erythroblast dorsolateral motor nucleus of vagal nerve larval melanophore stripe dorsal larval melanophore stripe lateral larval melanophore stripe ventral larval melanophore stripe yolk larval melanophore stripe axial fin skeleton trabecula cranii ceratohyal cartilage ethmoid cartilage hyohyoideus hyosymplectic cartilage sternohyoid larva medial motor nucleus of vagal nerve palatoquadrate cartilage interhyoideus ventral tooth row adductor operculi adductor hyomandibulae interhyal cartilage swim bladder interrenal gland levator operculi vertebra centrum specialized hemal arch and spine hypural hypural 1 Larval:Day 5 anatomical line groove optic furrow anatomical space bile canaliculus choroidal fissure olfactory pit oral cavity pronephric capsular space semicircular canal anterior semicircular canal anterior crista dorsolateral septum pillar of the anterior semicircular canal lateral semicircular canal lateral crista pillar of the lateral semicircular canal pillar of the semicircular canal pillar of the posterior semicircular canal posterior semicircular canal posterior crista anatomical structure acellular anatomical structure Bowman's layer collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum tooth cusp cell cementocyte digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte glial cell mucus secreting cell neuromast mantle cell neuromast support cell pigment cell iridophore gold iridophore silver iridophore melanocyte xanthophore Rohon-Beard neuron embryonic structure YSL organism subdivision head cranium chondrocranium dermatocranium splanchnocranium pharyngeal arch 3-7 skeleton ceratobranchial bone ceratobranchial 5 bone ceratobranchial 5 tooth tooth 3V tooth 4V tooth 5V ceratobranchial cartilage ceratobranchial 1 cartilage ceratobranchial 2 cartilage ceratobranchial 3 cartilage ceratobranchial 4 cartilage ceratobranchial 5 cartilage copula copula 1 hypobranchial cartilage eye cornea corneal endothelium corneal epithelium corneal stroma Descemet's membrane lens retina ciliary marginal zone retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 aortic arch 3 pharyngeal arch 4 aortic arch 4 pharyngeal arch 5 aortic arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin caudal fin musculature surface structure fin pectoral fin pectoral fin fold pectoral fin musculature pectoral fin skeleton pectoral fin cartilage pectoral girdle cleithrum pectoral fin vasculature pelvic fin integument dermis epidermis epidermal basal stratum epidermal superficial stratum median fin fold apical ectodermal ridge median fin fold dorsal fin fold mesenchyme median fin fold ventral fin fold proctodeum vent trunk portion of tissue actinotrichium anterior swim bladder bud corpuscles of Stannius ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion intervillus pockets intestinal villus lateral floor plate lateral line anterior lateral line anterior lateral line neuromast dorsal lateral line dorsal lateral line neuromast infraorbital lateral line infraorbital lateral line neuromast mandibular lateral line mandibular lateral line neuromast middle lateral line middle lateral line neuromast occipital lateral line occipital lateral line neuromast opercular lateral line opercular lateral line neuromast otic lateral line otic lateral line neuromast posterior lateral line posterior lateral line neuromast supraorbital lateral line supraorbital lateral line neuromast macula medial floor plate mesenchyme head mesenchyme neuroectoderm primary neuron notochord notochord posterior region primary germ layer ectoderm pronephric glomerular capsule pronephric glomerular capsule epithelium roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism anatomical set anatomical cluster inner ear otolith organ otolith lapillus sagitta neuromast oral region oral epithelium apical ectodermal ridge ventricular zone ventral mandibular arch Meckel's cartilage reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter cranial nerve II optic chiasm optic tract postoptic commissure tract of the postoptic commissure epithalamus habenula pineal complex epiphysis parapineal organ floor plate diencephalic region hypophysis adenohypophysis adrenocorticotropic hormone secreting cell prolactin secreting cell somatotropin secreting cell thyroid stimulating hormone secreting cell melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract lateral forebrain bundle floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system lateral line system anterior lateral line system posterior lateral line system myelinating Schwann cell sensory system gustatory system taste bud olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium olfactory rosette sensory neuron sensory axons peripheral vestibuloauditory system visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor pro-T cell musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature myotome fast muscle cell slow muscle cell cardiovascular system heart atrium bulbus arteriosus cardiac ventricle heart valve sinus venosus pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery dorsal aorta filamental artery hyaloid artery nasal artery opercular artery optic artery pectoral artery posterior communicating artery swim bladder artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein thoracic duct vein caudal vein hepatic portal vein hyaloid vein median axial vein nasal vein optic vein pectoral vein cranial vasculature brain vasculature lymph vasculature dorsal longitudinal lymphatic vessel intersegmental lymph vessel trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct bile ductule common bile duct cystic duct extrahepatic duct hepatic duct intrahepatic bile duct pancreatic duct gall bladder gut enteric nervous system esophagus pneumatic duct gut absorptive cell gut endothelial cell intestine intestinal bulb mid intestine posterior intestine hepatopancreatic ampulla liver left liver lobe right liver lobe pancreatic system pancreas endocrine pancreas exocrine pancreas pharynx pharyngeal epithelium endocrine system thyroid follicle ultimobranchial body immune system kidney macrophage thymus lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte pronephric podocyte pronephros pronephric duct posterior pronephric duct pronephric distal early tubule pronephric distal late tubule pronephric duct opening pronephric proximal convoluted tubule pronephric proximal straight tubule pronephric glomerulus pronephric glomerular basement membrane pronephric glomerular capillary pronephric tubule skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD secondary motor neuron serous membrane caudal vein plexus hair cell anterior macula hair cell posterior macula liver and biliary system ocular blood vessel hyaloid vessel optic choroid vascular plexus terminal nerve zona limitans intrathalamica basophilic erythroblast dorsolateral motor nucleus of vagal nerve larval melanophore stripe dorsal larval melanophore stripe lateral larval melanophore stripe ventral larval melanophore stripe yolk larval melanophore stripe axial fin skeleton trabecula cranii ceratohyal cartilage ethmoid cartilage hyohyoideus hyosymplectic cartilage sternohyoid larva medial motor nucleus of vagal nerve palatoquadrate cartilage interhyoideus ventral tooth row adductor operculi adductor hyomandibulae interhyal cartilage swim bladder interrenal gland levator operculi vertebra centrum specialized hemal arch and spine hypural hypural 1 hypural 2 parhypural preural vertebra preural 1 vertebra Larval:Day 6 anatomical line groove optic furrow anatomical space bile canaliculus choroidal fissure olfactory pit oral cavity semicircular canal anterior semicircular canal anterior crista dorsolateral septum pillar of the anterior semicircular canal lateral semicircular canal lateral crista pillar of the lateral semicircular canal pillar of the semicircular canal pillar of the posterior semicircular canal posterior semicircular canal posterior crista anatomical structure acellular anatomical structure Bowman's layer collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum tooth cusp cell cementocyte digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte glial cell mucus secreting cell neuromast mantle cell neuromast support cell olfactory support cell pigment cell iridophore gold iridophore silver iridophore melanocyte xanthophore Rohon-Beard neuron embryonic structure organism subdivision head cranium chondrocranium dermatocranium splanchnocranium pharyngeal arch 3-7 skeleton ceratobranchial bone ceratobranchial 5 bone ceratobranchial 5 tooth tooth 3V tooth 4V tooth 5V ceratobranchial cartilage ceratobranchial 1 cartilage ceratobranchial 2 cartilage ceratobranchial 3 cartilage ceratobranchial 4 cartilage ceratobranchial 5 cartilage copula copula 1 hypobranchial cartilage eye cornea corneal endothelium corneal epithelium corneal stroma Descemet's membrane lens retina ciliary marginal zone retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 aortic arch 3 pharyngeal arch 4 aortic arch 4 pharyngeal arch 5 aortic arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin caudal fin musculature surface structure fin pectoral fin pectoral fin fold pectoral fin musculature pectoral fin skeleton pectoral fin cartilage pectoral girdle cleithrum pectoral fin vasculature pelvic fin integument dermis epidermis epidermal basal stratum epidermal superficial stratum proctodeum urogenital papilla vent trunk portion of tissue actinotrichium anterior swim bladder bud corpuscles of Stannius ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion intervillus pockets intestinal villus lateral floor plate lateral line anterior lateral line anterior lateral line neuromast dorsal lateral line dorsal lateral line neuromast infraorbital lateral line infraorbital lateral line neuromast mandibular lateral line mandibular lateral line neuromast middle lateral line middle lateral line neuromast occipital lateral line occipital lateral line neuromast opercular lateral line opercular lateral line neuromast otic lateral line otic lateral line neuromast posterior lateral line posterior lateral line neuromast supraorbital lateral line supraorbital lateral line neuromast macula medial floor plate mesenchyme head mesenchyme neuroectoderm primary neuron notochord notochord posterior region primary germ layer ectoderm roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region stratum album centrale stratum fibrosum et griseum superficiale stratum griseum centrale stratum marginale stratum opticum stratum periventriculare tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism occipital arch cartilage anatomical set anatomical cluster inner ear otolith organ otolith lapillus sagitta neuromast oral region oral epithelium ventricular zone ventral mandibular arch Meckel's cartilage reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter cranial nerve II optic chiasm optic tract postoptic commissure tract of the postoptic commissure epithalamus habenula pineal complex epiphysis parapineal organ floor plate diencephalic region hypophysis adenohypophysis adrenocorticotropic hormone secreting cell prolactin secreting cell somatotropin secreting cell thyroid stimulating hormone secreting cell melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract lateral forebrain bundle floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system lateral line system anterior lateral line system posterior lateral line system myelinating Schwann cell sensory system gustatory system taste bud olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium olfactory rosette sensory neuron sensory axons peripheral vestibuloauditory system visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor pro-T cell musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature myotome fast muscle cell slow muscle cell cardiovascular system heart atrium bulbus arteriosus cardiac ventricle heart valve sinus venosus pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery dorsal aorta filamental artery hyaloid artery nasal artery opercular artery optic artery pectoral artery posterior communicating artery swim bladder artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein thoracic duct vein caudal vein hepatic portal vein hyaloid vein median axial vein nasal vein optic vein pectoral vein trans-choroid plexus branch cranial vasculature brain vasculature choroid plexus vascular circuit lymph vasculature dorsal longitudinal lymphatic vessel intersegmental lymph vessel trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct bile ductule common bile duct cystic duct extrahepatic duct hepatic duct intrahepatic bile duct pancreatic duct gall bladder gut enteric nervous system esophagus pneumatic duct gut absorptive cell gut endothelial cell intestine intestinal bulb mid intestine posterior intestine hepatopancreatic ampulla liver left liver lobe right liver lobe pancreatic system pancreas endocrine pancreas exocrine pancreas pharynx pharyngeal epithelium endocrine system thyroid follicle ultimobranchial body immune system kidney posterior kidney macrophage thymus lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD secondary motor neuron serous membrane caudal vein plexus hair cell anterior macula hair cell posterior macula liver and biliary system ocular blood vessel hyaloid vessel optic choroid vascular plexus terminal nerve zona limitans intrathalamica basophilic erythroblast dorsolateral motor nucleus of vagal nerve larval melanophore stripe dorsal larval melanophore stripe lateral larval melanophore stripe ventral larval melanophore stripe yolk larval melanophore stripe axial fin skeleton trabecula cranii ceratohyal cartilage ethmoid cartilage hyohyoideus hyosymplectic cartilage sternohyoid larva medial motor nucleus of vagal nerve palatoquadrate cartilage interhyoideus ventral tooth row adductor operculi adductor hyomandibulae interhyal cartilage swim bladder interrenal gland levator operculi vertebra centrum specialized hemal arch and spine hypural hypural 1 hypural 2 hypural 3 parhypural preural vertebra preural 1 vertebra Larval:Days 7-13 anatomical line groove optic furrow anatomical space bile canaliculus choroidal fissure olfactory pit oral cavity semicircular canal anterior semicircular canal anterior crista dorsolateral septum pillar of the anterior semicircular canal lateral semicircular canal lateral crista pillar of the lateral semicircular canal pillar of the semicircular canal pillar of the posterior semicircular canal posterior semicircular canal posterior crista anatomical structure acellular anatomical structure Bowman's layer collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum tooth cusp cell cementocyte digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte glial cell mucus secreting cell neuromast mantle cell neuromast support cell olfactory support cell pigment cell iridophore gold iridophore silver iridophore melanocyte xanthophore organism subdivision head cranium chondrocranium exoccipital exoccipital posteroventral region prootic dermatocranium splanchnocranium pharyngeal arch 3-7 skeleton ceratobranchial bone ceratobranchial 5 bone ceratobranchial 5 tooth tooth 3V tooth 4V tooth 5V ceratobranchial cartilage ceratobranchial 1 cartilage ceratobranchial 2 cartilage ceratobranchial 3 cartilage ceratobranchial 4 cartilage ceratobranchial 5 cartilage copula copula 1 copula 2 hypobranchial cartilage eye cornea corneal endothelium corneal epithelium corneal stroma Descemet's membrane lens retina ciliary marginal zone retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 aortic arch 3 pharyngeal arch 4 aortic arch 4 pharyngeal arch 5 aortic arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin caudal fin musculature surface structure fin pectoral fin pectoral fin fold pectoral fin musculature abductor profundus adductor profundus superficial abductor superficial adductor pectoral fin skeleton pectoral fin cartilage pectoral girdle cleithrum pectoral fin vasculature pelvic fin integument dermis epidermis epidermal basal stratum epidermal superficial stratum proctodeum urogenital papilla vent trunk portion of tissue actinotrichium anterior swim bladder bud corpuscles of Stannius ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion gonad primordium intervillus pockets intestinal villus lateral floor plate lateral line anterior lateral line anterior lateral line neuromast dorsal lateral line dorsal lateral line neuromast infraorbital lateral line infraorbital lateral line neuromast mandibular lateral line mandibular lateral line neuromast middle lateral line middle lateral line neuromast occipital lateral line occipital lateral line neuromast opercular lateral line opercular lateral line neuromast otic lateral line otic lateral line neuromast posterior lateral line posterior lateral line neuromast supraorbital lateral line supraorbital lateral line neuromast macula medial floor plate mesenchyme head mesenchyme notochord notochord posterior region roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region stratum album centrale stratum fibrosum et griseum superficiale stratum griseum centrale stratum marginale stratum opticum stratum periventriculare tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism basidorsal neural arch intercalarium intercalarium articulating process intercalarium ascending process manubrium scaphium epibranchial 3 cartilage epibranchial 4 cartilage lamina orbitonasalis anatomical set anatomical cluster inner ear otolith organ otolith lapillus sagitta neural complex supraneural 2 roofing cartilage supraneural 3 neuromast oral region oral epithelium ventricular zone ventral mandibular arch Meckel's cartilage Weberian apparatus Weberian ossicle claustrum cartilage os suspensorium os suspensorium medial flange tripus Weberian vertebra vertebra 1 vertebra 2 vertebra 3 vertebra 4 reproductive system presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter cranial nerve II optic chiasm optic tract postoptic commissure tract of the postoptic commissure epithalamus habenula pineal complex epiphysis parapineal organ floor plate diencephalic region hypophysis adenohypophysis adrenocorticotropic hormone secreting cell prolactin secreting cell somatotropin secreting cell thyroid stimulating hormone secreting cell melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract lateral forebrain bundle floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system lateral line system anterior lateral line system posterior lateral line system myelinating Schwann cell sensory system gustatory system taste bud olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium olfactory rosette sensory neuron sensory axons peripheral vestibuloauditory system visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor pro-T cell musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature myotome fast muscle cell slow muscle cell cardiovascular system heart atrium bulbus arteriosus cardiac ventricle heart valve sinus venosus pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery dorsal aorta filamental artery hyaloid artery nasal artery opercular artery optic artery pectoral artery posterior communicating artery swim bladder artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein thoracic duct vein caudal vein hepatic portal vein hyaloid vein median axial vein nasal vein optic vein pectoral vein trans-choroid plexus branch cranial vasculature brain vasculature choroid plexus vascular circuit lymph vasculature dorsal longitudinal lymphatic vessel intersegmental lymph vessel trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct bile ductule common bile duct cystic duct extrahepatic duct hepatic duct intrahepatic bile duct pancreatic duct gall bladder gut enteric nervous system esophagus pneumatic duct gut absorptive cell gut endothelial cell intestine intestinal bulb mid intestine posterior intestine hepatopancreatic ampulla liver left liver lobe right liver lobe pancreatic system pancreas endocrine pancreas exocrine pancreas pharynx pharyngeal epithelium endocrine system thyroid follicle ultimobranchial body immune system kidney posterior kidney macrophage thymus lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD secondary motor neuron serous membrane caudal vein plexus hair cell anterior macula hair cell posterior macula liver and biliary system ocular blood vessel hyaloid vessel optic choroid vascular plexus terminal nerve zona limitans intrathalamica basophilic erythroblast dorsolateral motor nucleus of vagal nerve larval melanophore stripe dorsal larval melanophore stripe lateral larval melanophore stripe ventral larval melanophore stripe yolk larval melanophore stripe axial fin skeleton dorsal fin skeleton trabecula cranii ceratohyal cartilage ethmoid cartilage hyohyoideus hyosymplectic cartilage sternohyoid larva medial motor nucleus of vagal nerve palatoquadrate cartilage quadrate quadrate ventral process interhyoideus ventral tooth row adductor operculi adductor hyomandibulae interhyal cartilage swim bladder interrenal gland levator operculi vertebra centrum specialized hemal arch and spine hypural hypural 1 hypural 2 hypural 3 hypural 4 hypural 5 parhypural preural vertebra preural 1 vertebra supraneural Larval:Days 14-20 anatomical line groove optic furrow anatomical space bile canaliculus choroidal fissure olfactory pit oral cavity semicircular canal anterior semicircular canal anterior crista dorsolateral septum pillar of the anterior semicircular canal lateral semicircular canal lateral crista pillar of the lateral semicircular canal pillar of the semicircular canal pillar of the posterior semicircular canal posterior semicircular canal posterior crista anatomical structure acellular anatomical structure Bowman's layer collagenous dermal stroma myoseptum horizontal myoseptum vertical myoseptum tooth cusp cell cementocyte digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte glial cell mucus secreting cell neuromast mantle cell neuromast support cell olfactory support cell pigment cell iridophore gold iridophore silver iridophore melanocyte xanthophore organism subdivision head cranium chondrocranium exoccipital exoccipital posteroventral region lateral ethmoid prootic pterotic dermatocranium infraorbital infraorbital 1 splanchnocranium pharyngeal arch 3-7 skeleton ceratobranchial bone ceratobranchial 1 bone ceratobranchial 2 bone ceratobranchial 3 bone ceratobranchial 4 bone ceratobranchial 5 bone ceratobranchial 5 tooth tooth 3V tooth 4V tooth 5V ceratobranchial cartilage ceratobranchial 5 cartilage copula copula 1 basibranchial 1 basibranchial 2 basibranchial 3 hypobranchial cartilage eye cornea corneal endothelium corneal epithelium corneal stroma Descemet's membrane lens retina ciliary marginal zone retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 aortic arch 3 pharyngeal arch 4 aortic arch 4 pharyngeal arch 5 aortic arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin caudal fin musculature surface structure fin pectoral fin pectoral fin fold pectoral fin musculature abductor profundus adductor profundus superficial abductor superficial adductor ventral arrector pectoral fin skeleton pectoral fin cartilage mesocoracoid cartilage pectoral girdle cleithrum coracoid pectoral fin vasculature pelvic fin integument dermis epidermis epidermal basal stratum epidermal superficial stratum hypodermis proctodeum urogenital papilla vent trunk portion of tissue actinotrichium anterior swim bladder bud anterior chamber swim bladder corpuscles of Stannius ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion intervillus pockets intestinal villus lateral floor plate lateral line anterior lateral line anterior lateral line neuromast dorsal lateral line dorsal lateral line neuromast infraorbital lateral line infraorbital lateral line neuromast mandibular lateral line mandibular lateral line neuromast middle lateral line middle lateral line neuromast occipital lateral line occipital lateral line neuromast opercular lateral line opercular lateral line neuromast otic lateral line otic lateral line neuromast posterior lateral line posterior lateral line neuromast supraorbital lateral line supraorbital lateral line neuromast macula macula neglecta medial floor plate mesenchyme head mesenchyme notochord notochord posterior region roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region stratum album centrale stratum fibrosum et griseum superficiale stratum griseum centrale stratum marginale stratum opticum stratum periventriculare tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism epibranchial 1 cartilage epibranchial 2 cartilage kinethmoid cartilage pharyngobranchial 3 cartilage anatomical set anatomical cluster infraorbital series inner ear otolith organ otolith lapillus sagitta neural complex supraneural 2 roofing cartilage supraneural 3 neuromast oral region oral epithelium ventricular zone ventral mandibular arch Meckel's cartilage Weberian apparatus Weberian ossicle claustrum bone claustrum cartilage intercalarium intercalarium articulating process intercalarium ascending process manubrium os suspensorium os suspensorium medial flange scaphium tripus Weberian vertebra vertebra 1 vertebra 2 vertebra 3 vertebra 4 reproductive system immature gonad presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter cranial nerve II optic chiasm optic tract postoptic commissure tract of the postoptic commissure epithalamus habenula pineal complex epiphysis parapineal organ floor plate diencephalic region hypophysis adenohypophysis adrenocorticotropic hormone secreting cell prolactin secreting cell somatotropin secreting cell thyroid stimulating hormone secreting cell melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract lateral forebrain bundle floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system lateral line system anterior lateral line system posterior lateral line system myelinating Schwann cell sensory system gustatory system taste bud olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium olfactory rosette sensory neuron sensory axons peripheral vestibuloauditory system transverse canal visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor pro-T cell musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature myotome fast muscle cell slow muscle cell cardiovascular system heart atrium bulbus arteriosus cardiac ventricle heart valve sinus venosus pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery dorsal aorta filamental artery hyaloid artery nasal artery opercular artery optic artery pectoral artery posterior communicating artery swim bladder artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein thoracic duct vein caudal vein hepatic portal vein hyaloid vein median axial vein nasal vein optic vein pectoral vein trans-choroid plexus branch cranial vasculature brain vasculature choroid plexus vascular circuit lymph vasculature dorsal longitudinal lymphatic vessel intersegmental lymph vessel trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct bile ductule common bile duct cystic duct extrahepatic duct hepatic duct intrahepatic bile duct pancreatic duct gall bladder gut enteric nervous system esophagus pneumatic duct gut absorptive cell gut endothelial cell intestine intestinal bulb mid intestine posterior intestine hepatopancreatic ampulla liver left liver lobe right liver lobe ventral liver lobe pancreatic system pancreas endocrine pancreas exocrine pancreas pharynx pharyngeal epithelium endocrine system thyroid follicle ultimobranchial body immune system kidney posterior kidney macrophage thymus lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD secondary motor neuron serous membrane hair cell anterior macula hair cell posterior macula liver and biliary system ocular blood vessel hyaloid vessel optic choroid vascular plexus terminal nerve zona limitans intrathalamica basophilic erythroblast dorsolateral motor nucleus of vagal nerve larval melanophore stripe dorsal larval melanophore stripe lateral larval melanophore stripe ventral larval melanophore stripe yolk larval melanophore stripe axial fin skeleton dorsal fin skeleton trabecula cranii ceratohyal cartilage ethmoid cartilage hyohyoideus hyosymplectic cartilage sternohyoid larva medial motor nucleus of vagal nerve palatoquadrate cartilage metapterygoid quadrate quadrate ventral process interhyoideus ventral tooth row adductor operculi adductor hyomandibulae interhyal cartilage swim bladder interrenal gland levator operculi vertebra centrum neural arch specialized hemal arch and spine hypural hypural 1 hypural 2 hypural 3 hypural 4 hypural 5 hypurapophysis parhypural preural vertebra preural 1 vertebra preural 2 vertebra supraneural post-Weberian supraneural supraneural 5 supraneural 6 supraneural 7 supraneural 8 supraneural 9 epibranchial 3 bone epibranchial 4 bone infraorbital sensory canal pharyngobranchial 4 cartilage urostyle Larval:Days 21-29 adductor mandibulae anatomical line groove optic furrow anatomical space bile canaliculus choroidal fissure olfactory pit oral cavity semicircular canal anterior semicircular canal anterior crista dorsolateral septum pillar of the anterior semicircular canal lateral semicircular canal lateral crista pillar of the lateral semicircular canal pillar of the semicircular canal pillar of the posterior semicircular canal posterior semicircular canal posterior crista anatomical structure acellular anatomical structure Bowman's layer collagenous dermal stroma dermal deep region myoseptum horizontal myoseptum vertical myoseptum tooth cusp cell cementocyte digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte glial cell mucus secreting cell neuromast mantle cell neuromast support cell olfactory support cell pigment cell iridophore gold iridophore silver iridophore melanocyte xanthophore organism subdivision head cranium chondrocranium epiotic exoccipital exoccipital posteroventral region kinethmoid bone lateral ethmoid mesethmoid bone prootic pterotic dermatocranium frontal bone infraorbital infraorbital 1 nasal bone prevomer supraethmoid splanchnocranium pharyngeal arch 3-7 skeleton ceratobranchial bone ceratobranchial 1 bone ceratobranchial 2 bone ceratobranchial 3 bone ceratobranchial 4 bone ceratobranchial 5 bone ceratobranchial 5 tooth tooth 3V tooth 4V tooth 5V ceratobranchial cartilage ceratobranchial 5 cartilage copula copula 1 basibranchial 1 basibranchial 2 basibranchial 3 hypobranchial cartilage eye cornea corneal endothelium corneal epithelium corneal stroma Descemet's membrane lens retina ciliary marginal zone retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 aortic arch 3 pharyngeal arch 4 aortic arch 4 pharyngeal arch 5 aortic arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin caudal fin musculature surface structure fin pectoral fin pectoral fin fold pectoral fin musculature abductor profundus adductor profundus superficial abductor superficial adductor ventral arrector pectoral fin skeleton pectoral fin cartilage scapulocoracoid coracoid scapula pectoral girdle cleithrum mesocoracoid bone pectoral fin vasculature pelvic fin integument dermis scale primordium epidermis epidermal basal stratum epidermal placode epidermal intermediate stratum epidermal superficial stratum hypodermis proctodeum urogenital papilla vent trunk portion of tissue actinotrichium corpuscles of Stannius ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion intervillus pockets intestinal villus lateral floor plate lateral line anterior lateral line anterior lateral line neuromast dorsal lateral line dorsal lateral line neuromast infraorbital lateral line infraorbital lateral line neuromast mandibular lateral line mandibular lateral line neuromast middle lateral line middle lateral line neuromast occipital lateral line occipital lateral line neuromast opercular lateral line opercular lateral line neuromast otic lateral line otic lateral line neuromast posterior lateral line posterior lateral line neuromast supraorbital lateral line supraorbital lateral line neuromast macula macula neglecta medial floor plate mesenchyme head mesenchyme notochord notochord posterior region roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region stratum album centrale stratum fibrosum et griseum superficiale stratum griseum centrale stratum marginale stratum opticum stratum periventriculare tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism ovary male organism testis Sertoli cell pharyngobranchial 2 cartilage anatomical set anatomical cluster infraorbital series inner ear otolith organ otolith lapillus sagitta neural complex supraneural 2 roofing cartilage supraneural 3 neuromast oral region oral epithelium ventricular zone ventral mandibular arch Meckel's cartilage Weberian apparatus Weberian ossicle claustrum bone claustrum cartilage intercalarium intercalarium articulating process intercalarium ascending process manubrium os suspensorium os suspensorium medial flange scaphium tripus Weberian vertebra vertebra 1 vertebra 2 vertebra 3 vertebra 4 reproductive system gonad gamete immature gonad presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter cranial nerve II optic chiasm optic tract postoptic commissure tract of the postoptic commissure epithalamus habenula pineal complex epiphysis parapineal organ floor plate diencephalic region hypophysis adenohypophysis adrenocorticotropic hormone secreting cell prolactin secreting cell somatotropin secreting cell thyroid stimulating hormone secreting cell melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract lateral forebrain bundle floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system lateral line system anterior lateral line system posterior lateral line system myelinating Schwann cell sensory system gustatory system taste bud olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium olfactory rosette sensory neuron sensory axons peripheral vestibuloauditory system transverse canal visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor pro-T cell musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature myotome fast muscle cell slow muscle cell cardiovascular system heart atrium bulbus arteriosus cardiac ventricle heart valve sinus venosus pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery dorsal aorta filamental artery hyaloid artery nasal artery opercular artery optic artery pectoral artery posterior communicating artery swim bladder artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein thoracic duct vein caudal vein hepatic portal vein hyaloid vein median axial vein nasal vein optic vein pectoral vein trans-choroid plexus branch cranial vasculature brain vasculature choroid plexus vascular circuit lymph vasculature dorsal longitudinal lymphatic vessel intersegmental lymph vessel trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct bile ductule common bile duct cystic duct extrahepatic duct hepatic duct intrahepatic bile duct pancreatic duct gall bladder gut enteric nervous system esophagus pneumatic duct gut absorptive cell gut endothelial cell intestine intestinal bulb mid intestine posterior intestine hepatopancreatic ampulla liver left liver lobe right liver lobe ventral liver lobe pancreatic system pancreas endocrine pancreas exocrine pancreas pharynx pharyngeal epithelium endocrine system thyroid follicle ultimobranchial body immune system kidney posterior kidney macrophage thymus lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD secondary motor neuron serous membrane hair cell anterior macula hair cell posterior macula liver and biliary system ocular blood vessel hyaloid vessel optic choroid vascular plexus terminal nerve zona limitans intrathalamica basophilic erythroblast dorsolateral motor nucleus of vagal nerve axial fin skeleton dorsal fin skeleton trabecula cranii ceratohyal cartilage ethmoid cartilage hyohyoideus hyosymplectic cartilage sternohyoid larva medial motor nucleus of vagal nerve palatoquadrate cartilage autopalatine metapterygoid quadrate quadrate ventral process interhyoideus ventral tooth row adductor operculi adductor hyomandibulae interhyal cartilage swim bladder anterior chamber swim bladder interrenal gland levator operculi vertebra centrum neural arch specialized hemal arch and spine hypural hypural 1 hypural 2 hypural 3 hypural 4 hypural 5 hypurapophysis parhypural preural vertebra preural 1 vertebra preural 2 vertebra supraneural post-Weberian supraneural supraneural 5 supraneural 6 supraneural 7 supraneural 8 supraneural 9 epibranchial 3 bone epibranchial 4 bone infraorbital sensory canal pharyngobranchial 4 cartilage urostyle basibranchial 4 epibranchial 1 bone epibranchial 2 bone pharyngobranchial 3 bone preopercular sensory canal supraorbital sensory canal Juvenile:Days 30-44 anatomical line groove optic furrow anatomical space bile canaliculus choroidal fissure olfactory pit oral cavity semicircular canal anterior semicircular canal anterior crista dorsolateral septum pillar of the anterior semicircular canal lateral semicircular canal lateral crista pillar of the lateral semicircular canal pillar of the semicircular canal pillar of the posterior semicircular canal posterior semicircular canal posterior crista anatomical structure acellular anatomical structure Bowman's layer myoseptum horizontal myoseptum vertical myoseptum tooth cusp cell cementocyte digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte glial cell mucus secreting cell neuromast mantle cell neuromast support cell olfactory support cell oocyte pigment cell iridophore gold iridophore silver iridophore melanocyte xanthophore organism subdivision head cranium chondrocranium epiotic exoccipital exoccipital posteroventral region kinethmoid bone lateral ethmoid mesethmoid bone prootic pterotic dermatocranium frontal bone infraorbital infraorbital 1 infraorbital 2 infraorbital 3 infraorbital 4 infraorbital 5 nasal bone prevomer supraethmoid splanchnocranium pharyngeal arch 3-7 skeleton ceratobranchial bone ceratobranchial 1 bone ceratobranchial 2 bone ceratobranchial 3 bone ceratobranchial 4 bone ceratobranchial 5 bone ceratobranchial 5 tooth tooth 3V tooth 4V tooth 5V ceratobranchial cartilage ceratobranchial 5 cartilage copula copula 1 basibranchial 1 basibranchial 2 basibranchial 3 hypobranchial cartilage eye cornea corneal endothelium corneal epithelium corneal stroma Descemet's membrane lens retina ciliary marginal zone retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 aortic arch 3 pharyngeal arch 4 aortic arch 4 pharyngeal arch 5 aortic arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin caudal fin musculature surface structure barbel primordium fin pectoral fin pectoral fin fold pectoral fin musculature abductor profundus adductor profundus superficial abductor superficial adductor ventral arrector pectoral fin skeleton pectoral fin cartilage pectoral girdle cleithrum coracoid mesocoracoid bone scapula pectoral fin vasculature pelvic fin integument dermis dermal deep region dermal superficial region scale primordium epidermis epidermal basal stratum epidermal placode epidermal intermediate stratum epidermal superficial stratum hypodermis proctodeum scale urogenital papilla vent trunk portion of tissue actinotrichium corpuscles of Stannius ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion intervillus pockets intestinal villus lateral floor plate lateral line anterior lateral line anterior lateral line neuromast dorsal lateral line dorsal lateral line neuromast infraorbital lateral line infraorbital lateral line neuromast mandibular lateral line mandibular lateral line neuromast middle lateral line middle lateral line neuromast occipital lateral line occipital lateral line neuromast opercular lateral line opercular lateral line neuromast otic lateral line otic lateral line neuromast posterior lateral line posterior lateral line neuromast supraorbital lateral line supraorbital lateral line neuromast macula macula neglecta medial floor plate mesenchyme head mesenchyme notochord notochord posterior region roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region stratum album centrale stratum fibrosum et griseum superficiale stratum griseum centrale stratum marginale stratum opticum stratum periventriculare tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism ovary ovarian follicle ovarian follicle stage I ovarian follicle stage II ovarian follicle stage III ovarian follicle stage IV postovulatory follicle male organism testis Sertoli cell anatomical set anatomical cluster infraorbital series inner ear otolith organ otolith lapillus sagitta neural complex supraneural 2 supraneural 3 neuromast oral region oral epithelium ventricular zone ventral mandibular arch Meckel's cartilage Weberian apparatus Weberian ossicle claustrum bone claustrum cartilage intercalarium intercalarium articulating process intercalarium ascending process manubrium os suspensorium os suspensorium medial flange scaphium tripus Weberian vertebra vertebra 1 vertebra 2 vertebra 3 vertebra 4 reproductive system gonad gamete presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter cranial nerve II optic chiasm optic tract postoptic commissure tract of the postoptic commissure epithalamus habenula pineal complex epiphysis parapineal organ floor plate diencephalic region hypophysis adenohypophysis adrenocorticotropic hormone secreting cell prolactin secreting cell somatotropin secreting cell thyroid stimulating hormone secreting cell melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract lateral forebrain bundle floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system lateral line system anterior lateral line system posterior lateral line system myelinating Schwann cell sensory system gustatory system taste bud olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium olfactory rosette sensory neuron sensory axons peripheral vestibuloauditory system transverse canal visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor pro-T cell musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature myotome fast muscle cell slow muscle cell cardiovascular system heart atrium bulbus arteriosus cardiac ventricle heart valve sinus venosus pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery dorsal aorta filamental artery hyaloid artery nasal artery opercular artery optic artery pectoral artery posterior communicating artery swim bladder artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein thoracic duct vein caudal vein hepatic portal vein hyaloid vein median axial vein nasal vein optic vein pectoral vein trans-choroid plexus branch cranial vasculature brain vasculature choroid plexus vascular circuit lymph vasculature dorsal longitudinal lymphatic vessel intersegmental lymph vessel trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct bile ductule common bile duct cystic duct extrahepatic duct hepatic duct intrahepatic bile duct pancreatic duct gall bladder gut enteric nervous system esophagus pneumatic duct gut absorptive cell gut endothelial cell intestine intestinal bulb mid intestine posterior intestine hepatopancreatic ampulla liver left liver lobe right liver lobe ventral liver lobe pancreatic system pancreas endocrine pancreas exocrine pancreas pharynx pharyngeal epithelium endocrine system thyroid follicle ultimobranchial body immune system kidney posterior kidney macrophage thymus lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD secondary motor neuron serous membrane hair cell anterior macula hair cell posterior macula liver and biliary system ocular blood vessel hyaloid vessel optic choroid vascular plexus terminal nerve zona limitans intrathalamica basophilic erythroblast dorsolateral motor nucleus of vagal nerve axial fin skeleton dorsal fin skeleton trabecula cranii ceratohyal cartilage ethmoid cartilage hyohyoideus hyosymplectic cartilage sternohyoid medial motor nucleus of vagal nerve palatoquadrate cartilage autopalatine metapterygoid quadrate quadrate ventral process interhyoideus ventral tooth row adductor operculi adductor hyomandibulae interhyal cartilage swim bladder anterior chamber swim bladder interrenal gland levator operculi vertebra centrum neural arch specialized hemal arch and spine hypural hypural 1 hypural 2 hypural 3 hypural 4 hypural 5 hypurapophysis parhypural preural vertebra preural 1 vertebra preural 2 vertebra supraneural post-Weberian supraneural supraneural 5 supraneural 6 supraneural 7 supraneural 8 supraneural 9 epibranchial 3 bone epibranchial 4 bone infraorbital sensory canal pharyngobranchial 4 cartilage urostyle basibranchial 4 epibranchial 1 bone epibranchial 2 bone pharyngobranchial 3 bone preopercular sensory canal supraorbital sensory canal adductor mandibulae complex juvenile mandibular sensory canal pharyngobranchial 2 bone Juvenile:Days 45-89 anatomical line groove optic furrow anatomical space bile canaliculus choroidal fissure olfactory pit oral cavity semicircular canal anterior semicircular canal anterior crista dorsolateral septum pillar of the anterior semicircular canal lateral semicircular canal lateral crista pillar of the lateral semicircular canal pillar of the semicircular canal pillar of the posterior semicircular canal posterior semicircular canal posterior crista anatomical structure acellular anatomical structure Bowman's layer myoseptum horizontal myoseptum vertical myoseptum tooth cusp cell cementocyte digestive enzyme secreting cell endocrine cell folliculostellate cell pinealocyte glial cell micropylar cell mucus secreting cell neuromast mantle cell neuromast support cell olfactory support cell oocyte oocyte stage I oocyte stage II oocyte stage III oocyte stage IV oocyte stage V pigment cell iridophore gold iridophore silver iridophore melanocyte xanthophore spermatocyte organism subdivision head barbel cranium chondrocranium epiotic exoccipital exoccipital posteroventral region kinethmoid bone lateral ethmoid mesethmoid bone preethmoid bone prootic pterotic dermatocranium frontal bone infraorbital infraorbital 1 infraorbital 2 infraorbital 3 infraorbital 4 infraorbital 5 nasal bone prevomer supraethmoid splanchnocranium pharyngeal arch 3-7 skeleton ceratobranchial bone ceratobranchial 1 bone ceratobranchial 2 bone ceratobranchial 3 bone ceratobranchial 4 bone ceratobranchial 5 bone ceratobranchial 5 tooth tooth 3V tooth 4V tooth 5V ceratobranchial cartilage ceratobranchial 5 cartilage copula copula 1 basibranchial 1 basibranchial 2 basibranchial 3 hypobranchial cartilage eye cornea corneal endothelium corneal epithelium corneal stroma Descemet's membrane lens retina ciliary marginal zone retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal photoreceptor layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) naris anterior naris posterior naris pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 pharyngeal arch 3-7 pharyngeal arch 3 aortic arch 3 pharyngeal arch 4 aortic arch 4 pharyngeal arch 5 aortic arch 5 pharyngeal arch 6 pharyngeal arch 7 neuromere post-vent region caudal fin caudal fin musculature surface structure barbel primordium fin pectoral fin pectoral fin fold pectoral fin musculature abductor profundus adductor profundus superficial abductor superficial adductor ventral arrector pectoral fin skeleton pectoral fin cartilage pectoral girdle cleithrum coracoid mesocoracoid bone scapula pectoral fin vasculature pelvic fin integument dermis dermal deep region dermal superficial region scale primordium epidermis epidermal basal stratum epidermal placode epidermal intermediate stratum epidermal superficial stratum hypodermis proctodeum scale urogenital papilla vent trunk portion of tissue actinotrichium corpuscles of Stannius ganglion cranial ganglion lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion intervillus pockets intestinal villus lateral floor plate lateral line anterior lateral line anterior lateral line neuromast dorsal lateral line dorsal lateral line neuromast infraorbital lateral line infraorbital lateral line neuromast mandibular lateral line mandibular lateral line neuromast middle lateral line middle lateral line neuromast occipital lateral line occipital lateral line neuromast opercular lateral line opercular lateral line neuromast otic lateral line otic lateral line neuromast posterior lateral line posterior lateral line neuromast supraorbital lateral line supraorbital lateral line neuromast macula macula neglecta medial floor plate mesenchyme head mesenchyme notochord notochord posterior region roof plate diencephalic region roof plate rhombomere 1 roof plate rhombomere 2 roof plate rhombomere 3 roof plate rhombomere 4 roof plate rhombomere 5 roof plate rhombomere 6 roof plate rhombomere 7 roof plate rhombomere 8 roof plate rhombomere region roof plate spinal cord region stratum album centrale stratum fibrosum et griseum superficiale stratum griseum centrale stratum marginale stratum opticum stratum periventriculare tela chorioidea tela chorioidea fourth ventricle tela chorioidea tectal ventricle tela chorioidea telencephalic ventricle tela chorioidea third ventricle ventral wall of dorsal aorta whole organism female organism ovary ovarian follicle ovarian follicle stage I ovarian follicle stage II ovarian follicle stage III ovarian follicle stage IV postovulatory follicle male organism testis Sertoli cell anatomical set anatomical cluster infraorbital series inner ear otolith organ otolith lapillus sagitta neural complex supraneural 2 supraneural 3 neuromast oral region oral epithelium ventricular zone ventral mandibular arch Meckel's cartilage Weberian apparatus Weberian ossicle claustrum bone claustrum cartilage intercalarium intercalarium articulating process intercalarium ascending process manubrium os suspensorium os suspensorium medial flange scaphium tripus Weberian vertebra vertebra 1 vertebra 2 vertebra 3 vertebra 4 reproductive system gonad gamete presumptive cardinal organ presumptive organ presumptive organ system nervous system central nervous system brain forebrain diencephalon diencephalic white matter cranial nerve II optic chiasm optic tract postoptic commissure tract of the postoptic commissure epithalamus habenula pineal complex epiphyseal stalk epiphysis parapineal organ floor plate diencephalic region hypophysis adenohypophysis adrenocorticotropic hormone secreting cell prolactin secreting cell somatotropin secreting cell thyroid stimulating hormone secreting cell melanocyte stimulating hormone secreting cell hypothalamus lateral wall diencephalic region optic stalk telencephalon floor plate telencephalic region lateral wall telencephalic region olfactory bulb optic recess telencephalic white matter anterior commissure telencephalon diencephalon boundary forebrain midbrain boundary hindbrain cerebellum floor plate rhombomere region floor plate rhombomere 1 floor plate rhombomere 2 floor plate rhombomere 3 floor plate rhombomere 4 floor plate rhombomere 5 floor plate rhombomere 6 floor plate rhombomere 7 floor plate rhombomere 8 fourth ventricle hindbrain commissure midbrain lateral wall midbrain region optic tectum tectal ventricle tegmentum midbrain hindbrain boundary supraoptic tract lateral forebrain bundle floor plate floor plate spinal cord region peripheral motor axons roof plate spinal cord central canal ventricular system neuron peripheral nervous system lateral line system anterior lateral line system posterior lateral line system myelinating Schwann cell sensory system gustatory system taste bud olfactory system olfactory receptor cell peripheral olfactory organ olfactory epithelium olfactory rosette sensory neuron sensory axons peripheral vestibuloauditory system transverse canal visual system Kolmer-Agduhr neuron hematopoietic system blood blood cell hematopoietic stem cell common lymphoid progenitor pro-T cell musculature system cephalic musculature fin musculature dorsal fin musculature trunk musculature abdominal musculature myotome fast muscle cell slow muscle cell cardiovascular system heart atrium bulbus arteriosus cardiac ventricle heart valve sinus venosus pericardium vasculature axial vasculature blood vasculature artery aortic arch carotid artery caudal artery dorsal aorta filamental artery hyaloid artery nasal artery opercular artery optic artery pectoral artery posterior communicating artery swim bladder artery cardinal system anterior cardinal vein common cardinal vein posterior cardinal vein thoracic duct vein caudal vein hepatic portal vein hyaloid vein median axial vein nasal vein optic vein pectoral vein trans-choroid plexus branch cranial vasculature brain vasculature choroid plexus vascular circuit lymph vasculature dorsal longitudinal lymphatic vessel intersegmental lymph vessel trunk vasculature muscle cell skeletal muscle cell digestive system D cell digestive system duct bile ductule common bile duct cystic duct extrahepatic duct hepatic duct intrahepatic bile duct pancreatic duct gall bladder gut enteric nervous system esophagus pneumatic duct gut absorptive cell gut endothelial cell intestine intestinal bulb mid intestine posterior intestine hepatopancreatic ampulla liver left liver lobe right liver lobe ventral liver lobe pancreatic system pancreas endocrine pancreas exocrine pancreas pharynx pharyngeal epithelium endocrine system thyroid follicle ultimobranchial body immune system kidney posterior kidney macrophage thymus lateral wall rhombomere 1 lateral wall rhombomere 2 lateral wall rhombomere 3 lateral wall rhombomere 4 lateral wall rhombomere 5 lateral wall rhombomere 6 lateral wall rhombomere 7 lateral wall rhombomere 8 nucleus of the tract of the postoptic commissure renal system podocyte skeletal system visceral organ CiA CiD CoLA CoPA CoSA DoLA MCoD MiP motor neuron RoP motor neuron UCoD VeLD secondary motor neuron serous membrane hair cell anterior macula hair cell posterior macula liver and biliary system ocular blood vessel hyaloid vessel optic choroid vascular plexus terminal nerve zona limitans intrathalamica basophilic erythroblast dorsolateral motor nucleus of vagal nerve axial fin skeleton dorsal fin skeleton trabecula cranii ceratohyal cartilage hyohyoideus hyosymplectic cartilage sternohyoid medial motor nucleus of vagal nerve palatoquadrate cartilage autopalatine metapterygoid quadrate quadrate ventral process interhyoideus ventral tooth row adductor operculi adductor hyomandibulae interhyal cartilage swim bladder anterior chamber swim bladder interrenal gland levator operculi vertebra centrum neural arch specialized hemal arch and spine hypural hypural 1 hypural 2 hypural 3 hypural 4 hypural 5 hypurapophysis parhypural preural vertebra preural 1 vertebra preural 2 vertebra supraneural post-Weberian supraneural supraneural 5 supraneural 6 supraneural 7 supraneural 8 supraneural 9 epibranchial 3 bone epibranchial 4 bone infraorbital sensory canal pharyngobranchial 4 cartilage urostyle basibranchial 4 epibranchial 1 bone epibranchial 2 bone pharyngobranchial 3 bone preopercular sensory canal supraorbital sensory canal adductor mandibulae complex juvenile mandibular sensory canal pharyngobranchial 2 bone Adult CaP motoneuron Mauthner axon anatomical line groove optic furrow sulcus ypsiloniformis ventral sulcus anatomical space bile canaliculus choroidal fissure coelom gall bladder gonad gamete ovary mesovarium ovarian follicle granulosa cell layer micropylar cell oocyte oocyte stage I oocyte stage II oocyte stage III oocyte stage IV oocyte stage V ovarian follicle stage I ovarian follicle stage II ovarian follicle stage III ovarian follicle stage IV postovulatory follicle thecal cell layer zona radiata testis Sertoli cell sperm duct spermatocyte spermatogonium heart atrium atrial endocardium atrial myocardium atrioventricular valve sinoatrial valve bulbus arteriosus bulbus arteriosus inner layer bulbus arteriosus middle layer bulbus arteriosus outer layer ventriculo bulbo valve cardiac conduction system atrioventricular node central cardiac conduction system distal conduction system peripheral cardiac conduction system sinoatrial node cardiac ventricle ventricular endocardium ventricular epicardium ventricular myocardium compact layer of ventricle trabecular layer of ventricle endocardium atrioventricular canal endocardium epicardium heart valve myocardium cardiac muscle cell trabecular layer sinus venosus kidney corpuscles of Stannius head kidney interrenal gland juxtaglomerular cell kidney vasculature afferent glomerular arteriole efferent glomerular arteriole glomerular capillary kidney blood vessel nephron renal corpuscle renal glomerular capsule renal glomerular capsule epithelium renal glomerulus glomerular basement membrane lamina densa lamina rara externa lamina rara interna mesonephric podocyte renal tubule distal early tubule distal late tubule proximal convoluted tubule proximal straight tubule renal principal cell posterior kidney renal duct collecting duct pancreas endocrine pancreas exocrine pancreas spleen swim bladder anterior chamber swim bladder ductus communicans posterior chamber swim bladder tunica externa swim bladder tunica interna swim bladder fontanel lateral fontanel of frontal foramen auditory fenestra auditory foramen basicapsular fenestra coracoid foramen dentary foramen foramen magnum inner ear foramen sacculoagenar foramen utriculosaccular foramen neuromast foramen olfactory nerve foramen optic foramen orbital foramen prootic foramen scapular foramen superficial ophthalmic nerve foramen fossa anterior myodome articular fossa of opercle sphenotic-prootic fossa prootic depression subtemporal fossa gill opening labial cavity lower oral valve upper oral valve olfactory pit opercular cavity oral cavity orbit pericardial cavity perilymphatic space atrium of sinus impar sinus impar pleuroperitoneal cavity pore pupil recessus lateralis renal capsular space semicircular canal anterior semicircular canal anterior crista dorsolateral septum pillar of the anterior semicircular canal lateral semicircular canal lateral crista pillar of the lateral semicircular canal pillar of the semicircular canal pillar of the posterior semicircular canal posterior semicircular canal posterior crista anatomical structure acellular anatomical structure basal lamina Bowman's layer inner limiting membrane myoseptum horizontal myoseptum vertical myoseptum outer limiting membrane tooth cusp anatomical group anatomical cluster anal fin pterygiophore anal fin distal radial anal fin proximal radial bony shelf above orbit chondrocranium basioccipital basioccipital posterodorsal region chondrocranium cartilage auditory capsule basal plate cartilage epiphyseal bar sclerotic cartilage taenia marginalis anterior taenia marginalis posterior tectum synoticum trabecula communis trabecula cranii epiotic exoccipital exoccipital posteroventral region kinethmoid bone lateral ethmoid mesethmoid bone orbitosphenoid preethmoid bone prootic pterosphenoid pterotic sclerotic bone anterior sclerotic bone posterior sclerotic bone sphenotic supraoccipital dermatocranium anguloarticular branchiostegal ray branchiostegal ray 1 branchiostegal ray 2 branchiostegal ray 3 coronomeckelian dentary ectopterygoid entopterygoid frontal bone infraorbital infraorbital 1 infraorbital 2 infraorbital 3 infraorbital 4 infraorbital 5 interopercle maxilla nasal bone opercle parasphenoid parietal bone posttemporal premaxilla premaxilla ascending process preopercle preopercle horizontal limb preopercle vertical limb prevomer subopercle supraethmoid supraorbital bone urohyal dorsal fin pterygiophore dorsal fin distal radial dorsal fin distal radial 1 dorsal fin distal radial 2 dorsal fin distal radial 3 dorsal fin distal radial 4 dorsal fin distal radial 5 dorsal fin distal radial 6 dorsal fin distal radial 7 dorsal fin distal radial 8 dorsal fin proximal radial dorsal fin proximal radial 1 dorsal fin proximal radial 2 dorsal fin proximal radial 3 dorsal fin proximal radial 4 dorsal fin proximal radial 5 dorsal fin proximal radial 6 dorsal fin proximal radial 7 dorsal fin proximal radial 8 dorsal fin pterygiophore 1 dorsal fin pterygiophore 2 dorsal fin pterygiophore 3 dorsal fin pterygiophore 4 dorsal fin pterygiophore 5 dorsal fin pterygiophore 6 dorsal fin pterygiophore 7 dorsal fin pterygiophore 8 dorsal hyoid arch hyomandibula hyosymplectic cartilage symplectic infraorbital series inner ear endolymph endolymphatic duct macula macula lagena macula neglecta macula saccule macula utricle otolith organ lagena asteriscus otolith lapillus sagitta saccule utricle pars inferior ear pars superior ear common crus joint autopalatine-lateral ethmoid joint autopalatine-maxillary joint autopalatine-vomer joint basioccipital-exoccipital joint cartilaginous joint mandibular symphysis vertebra 4-vertebra 5 joint vertebra 5-vertebra 6 joint vertebra 6 - vertebra 7 joint ceratohyal-branchiostegal ray joint ceratohyal-dorsal hypohyal joint ceratohyal-ventral hypohyal joint dentary-anguloarticular joint dorsal hypohyal-urohyal joint dorsal hypohyal-ventral hypohyal joint epihyal-branchiostegal ray joint epihyal-ceratohyal joint fibrous joint frontal-pterotic joint hyomandibula-metapterygoid joint hyomandibular-otic region joint inter-basipterygium joint inter-coracoid joint inter-frontal joint inter-hypobranchial 3 joint inter-premaxillary joint inter-ventral hypohyal joint interhyal-epihyal joint lateral ethmoid-frontal joint opercle-interopercle joint orbitosphenoid-lateral ethmoid joint orbitosphenoid-prootic joint prootic-exoccipital joint prootic-pterosphenoid joint pterosphenoid-orbitosphenoid joint quadrate-anguloarticular joint quadrate-hyomandibula joint quadrate-metapterygoid joint synovial joint synovial cell synovial fluid ventral hypohyal-urohyal joint lagenar capsule neural complex supraneural 2 supraneural 3 neurocranium neuromast anterior lateral line neuromast dorsal lateral line neuromast infraorbital lateral line neuromast mandibular lateral line neuromast middle lateral line neuromast neuromast hair cell neuromast mantle cell neuromast support cell occipital lateral line neuromast opercular lateral line neuromast otic lateral line neuromast posterior lateral line neuromast supraorbital lateral line neuromast occipital region notochord notochord posterior region olfactory region oral region oral epithelium orbital region otic region intercalar palate palatoquadrate arch autopalatine anterior dorsomedial process of autopalatine metapterygoid palatoquadrate cartilage quadrate quadrate ventral process pectoral girdle cleithrum coracoid extrascapula mesocoracoid bone postcleithrum scapula supracleithrum pelvic girdle basipterygium ciliary marginal zone ventricular zone sphenoid region splanchnocranium mandibular arch skeleton pharyngeal arch 2 skeleton pharyngeal arch 3-7 skeleton basibranchial basibranchial 1 basibranchial 2 basibranchial 3 basibranchial 4 ceratobranchial bone ceratobranchial 1 bone ceratobranchial 2 bone ceratobranchial 3 bone ceratobranchial 4 bone ceratobranchial 5 bone ceratobranchial 5 tooth cementocyte dentine enameloid tooth 1D tooth 1MD tooth 1V tooth 2D tooth 2MD tooth 2V tooth 3MD tooth 3V tooth 4MD tooth 4V tooth 5V tooth pulp odontoblast odontocyte ceratobranchial cartilage ceratobranchial 5 cartilage copula copula 1 epibranchial bone epibranchial 1 bone epibranchial 2 bone epibranchial 3 bone epibranchial 4 bone epibranchial uncinate process epibranchial cartilage epibranchial 5 gill raker hypobranchial bone hypobranchial 1 bone hypobranchial 2 bone hypobranchial 3 bone hypobranchial 4 bone hypobranchial cartilage hypobranchial 1 cartilage hypobranchial 2 cartilage hypobranchial 3 cartilage hypobranchial 4 cartilage pharyngeal arch 3 skeleton pharyngeal arch 4 skeleton pharyngobranchial 2 bone pharyngeal arch 5 skeleton pharyngobranchial 3 bone pharyngeal arch 6 skeleton pharyngobranchial 4 cartilage pharyngeal arch 7 skeleton pharyngobranchial bone pharyngeal arch cartilage articular cartilage basihyal cartilage basihyal bone ceratohyal cartilage ceratohyal bone epihyal hypohyal bone dorsal hypohyal bone ventral hypohyal bone gill ray interhyal cartilage Meckel's cartilage retroarticular pharyngobranchial cartilage suspensorium tooth row dorsal tooth row mediodorsal tooth row ventral tooth row ventral hyoid arch ventral mandibular arch Weberian apparatus Weberian ossicle claustrum bone claustrum cartilage intercalarium intercalarium articulating process intercalarium ascending process manubrium os suspensorium os suspensorium medial flange scaphium tripus Weberian vertebra vertebra 1 parapophysis 1 vertebra 2 parapophysis 2 vertebra 3 neural arch 3 vertebra 4 neural arch 4 parapophysis/rib anatomical system cardiovascular system lymphatic system lymph node lymph vasculature axial lymph vessel caudal fin lymph vessel cranial lymph vessel dorsal longitudinal lymphatic vessel facial lymphatic vessel intersegmental lymph vessel jugular lymphatic vessel longitudinal lateral lymphatic vessel lymph vessel endothelium lymphatic capillary pectoral lymphatic vessel thoracic duct pericardium vasculature axial vasculature axial blood vessel caudal artery caudal vein dorsal aorta ventral wall of dorsal aorta posterior cardinal vein blood vasculature arteriole artery afferent branchial artery afferent filamental artery afferent lamellar arteriole aortic arch aortic arch 3 aortic arch 4 aortic arch 5 carotid artery celiacomesenteric artery central ray artery concurrent branch afferent branchial artery efferent branchial artery efferent filamental artery efferent lamellar arteriole filamental artery hepatic artery hyaloid artery inner optic circle internal carotid artery nasal artery opercular artery optic artery pectoral artery posterior communicating artery recurrent branch afferent branchial artery renal artery segmental intercostal artery spinal artery swim bladder artery ventral aorta capillary cardinal system anterior cardinal vein common cardinal vein vein central vein hepatic portal vein hepatic vein hyaloid vein median axial vein nasal vein optic vein pectoral vein ray vein renal portal vein trans-choroid plexus branch venule cranial vasculature brain vasculature choroid plexus choroid plexus epithelial cell choroid plexus fourth ventricle choroid plexus tectal ventricle choroid plexus telencephalic ventricle choroid plexus third ventricle choroid plexus vascular circuit cranial blood vessel ocular blood vessel hyaloid vessel optic choroid vascular plexus pharyngeal vasculature fin vasculature caudal fin vasculature caudal fin blood vessel fin blood vessel interray vessel intervessel commissure pectoral fin blood vessel fin lymph vessel pectoral fin lymph vessel pectoral fin vasculature microcirculatory vessel post-vent vasculature trunk vasculature hepatic sinusoid vascular endothelium blood vessel endothelium blood vessel endothelial cell endothelial tip cell continuous blood vessel endothelium fenestrated blood vessel endothelium sinusoidal blood vessel endothelium digestive system D cell digestive enzyme secreting cell digestive system duct bile ductule common bile duct cystic duct extrahepatic duct extrapancreatic duct hepatic duct intrahepatic bile duct pancreatic duct gut cloacal chamber enteric musculature enteric circular muscle enteric longitudinal muscle enteric nervous system esophagus esophageal epithelium pneumatic duct gut absorptive cell gut endothelial cell gut epithelium intestinal epithelium enterocyte goblet cell intervillus pockets intestinal bulb epithelium intestinal villus mid intestine epithelium posterior intestine epithelium intestine intestinal bulb intestinal mucosal muscle mid intestine posterior intestine proctodeum hepatopancreatic ampulla liver hepatocyte left liver lobe right liver lobe ventral liver lobe mouth dental plate lip lip epithelium lower lip upper lip tongue pancreatic system pancreatic A cell pancreatic B cell pharynx pharyngeal epithelium endocrine system endocrine cell biogenic amine secreting cell epinephrin secreting cell norepinephrine secreting cell serotonin secreting cell enteroendocrine cell folliculostellate cell neuroendocrine cell chromaffin cell peptide hormone secreting cell adrenocorticotropic hormone secreting cell calcitonin secreting cell endorphin secreting cell enkephalin secreting cell follicle stimulating hormone secreting cell glucagon secreting cell insulin secreting cell luteinizing hormone secreting cell melanocyte stimulating hormone secreting cell parathyroid hormone secreting cell prolactin secreting cell somatostatin secreting cell somatotropin secreting cell substance P secreting cell thyroid stimulating hormone secreting cell pinealocyte steroid hormone secreting cell androgen secreting cell theca cell estradiol secreting cell glucocorticoid secreting cell granulosa cell progesterone secreting cell testosterone secreting cell Leydig cell thyroid hormone secreting cell epiphysis hypophysis adenohypophysis pars anterior pars intermedia pars tuberalis neurohypophysis infundibulum thyroid follicle ultimobranchial body hematopoietic system blood blood cell reticulocyte thrombocyte hematopoietic stem cell common lymphoid progenitor lymphocyte B cell mature B cell memory B cell naive B cell precursor B cell immature B cell transitional stage B cell natural killer cell immature natural killer cell mature natural killer cell plasma cell T cell alpha-beta T cell gamma-delta T cell immature gamma-delta T cell mature gamma-delta T cell gamma-delta intraepithelial T cell memory T cell pro-B cell pro-NK cell pro-T cell common myeloid progenitor granulocyte monocyte progenitor cell monoblast promonocyte monocyte macrophage microglial cell peritoneal macrophage osteoclast mononuclear osteoclast mononuclear odontoclast odontoclast myeloblast neutrophilic myeloblast neutrophilic promyelocyte immature neutrophil band form neutrophil mature neutrophil neutrophilic metamyelocyte neutrophilic myelocyte neutrophil progenitor cell megakaryocyte erythroid progenitor cell erythroid progenitor cell thromboblast myeloid cell erythroid lineage cell erythroblast basophilic erythroblast polychromatophilic erythroblast myeloid leukocyte granulocyte neutrophil hematopoietic multipotent progenitor cell lymphoid progenitor cell myeloid lineage restricted progenitor cell leukocyte mononuclear cell mononuclear phagocyte professional antigen presenting cell dendritic cell immune system mucus secreting cell thymus liver and biliary system musculature system cephalic musculature extraocular musculature dorsal oblique extraocular muscle dorsal rectus lateral rectus medial rectus ventral oblique extraocular muscle ventral rectus head muscle branchial muscle adductor caudal levator caudal oblique dorsal oblique branchial muscle dorsal retractor dorsal transverse esophageal sphincter external levatores external pharyngoclavicularis internal levator internal pharyngoclavicularis pharyngohyoid ventral oblique branchial muscle ventral transverse hyoid muscle abductor hyohyoid adductor arcus palatini adductor hyohyoid adductor operculi adductor hyomandibulae hyohyoideus inferior hyohyoid levator operculi protractor hyoidei interhyoideus sternohyoid mandibular muscle constrictor dorsalis dilator operculi intermandibularis ventral intermandibularis anterior ventral intermandibularis posterior levator arcus palatini sternohyoid pharyngeal musculature fin musculature anal fin musculature anal depressor anal erector anal inclinator caudal fin musculature inferior caudal dorsal flexor external lateral ventral muscle hypural muscle inferior caudal ventral flexor interradialis caudalis longitudinal hypochordal superior caudal dorsal flexor superior caudal ventral flexor dorsal fin musculature dorsal depressor dorsal erector dorsal inclinator pectoral fin musculature abductor profundus adductor profundus coracoradialis superficial abductor superficial adductor ventral arrector pelvic fin musculature dorsal pelvic arrector pelvic abductor profundus pelvic adductor profundus superficial pelvic abductor superficial pelvic adductor ventral pelvic arrector muscle cardiac muscle epaxialis hypaxialis infracarinalis muscle cell skeletal muscle cell fast muscle cell slow muscle cell smooth muscle cell vascular associated smooth muscle cell myotome pericardial muscle skeletal muscle abductor muscle adductor muscle adductor mandibulae complex arrector muscle dorsal arrector depressor muscle erector muscle flexor muscle inclinator muscle smooth muscle vascular smooth muscle superficial lateralis supracarinalis trunk musculature abdominal musculature nervous system autonomic nervous system autonomic neuron adrenergic neuron cholinergic neuron dopaminergic neuron GABAergic neuron glutamatergic neuron nitrergic neuron peptidergic neuron parasympathetic nervous system sympathetic nervous system superior cervical ganglion sympathetic chain ganglion central nervous system brain forebrain diencephalon caudal tuberculum caudal thalamic nucleus caudal tuberal nucleus corpus mamillare intermediate nucleus nucleus subglomerulosis paraventricular organ periventricular nucleus of caudal tuberculum preglomerular nucleus caudal preglomerular nucleus lateral preglomerular nucleus medial preglomerular nucleus rostral preglomerular nucleus tertiary gustatory nucleus torus lateralis diencephalic nucleus accessory pretectal nucleus caudal periventricular hypothalamus caudal pretectal nucleus central caudal thalamic nucleus central nucleus inferior lobe central pretectal nucleus diffuse nucleus inferior lobe dorsal accessory optic nucleus dorsal caudal thalamic nucleus lateral hypothalamic nucleus magnocellular preoptic nucleus gigantocellular part of magnocellular preoptic nucleus magnocellular superficial pretectal nucleus nucleus of the lateral recess nucleus of the medial longitudinal fasciculus synencephalon nucleus of the posterior recess nucleus of the tract of the postoptic commissure paracommissural nucleus parvocellular preoptic nucleus caudal parvocellular preoptic nucleus rostral parvocellular preoptic nucleus parvocellular superficial pretectal nucleus periventricular nucleus pretectal periventricular nucleus rostral thalamic nucleus rostral tuberal nucleus subcommissural organ suprachiasmatic nucleus ventral accessory optic nucleus diencephalic white matter caudal commissure tract of the caudal commissure commissure of the caudal tuberculum cranial nerve II optic nerve head fasciculus retroflexus habenular commissure horizontal commissure lateral forebrain bundle diencephalon medial forebrain bundle diencephalon optic chiasm optic tract dorsomedial optic tract ventrolateral optic tract postoptic commissure tract of the postoptic commissure pretecto-mammillary tract supraoptic commissure epithalamus habenula dorsal habenular nucleus ventral habenular nucleus saccus dorsalis hypothalamus dorsal hypothalamic zone dorsal periventricular hypothalamus inferior lobe median tuberal portion caudal hypothalamic zone ventral hypothalamic zone optic stalk preoptic area pretectum central pretectum superficial pretectum synencephalon thalamus dorsal thalamus ventral thalamus intermediate thalamic nucleus rostrolateral thalamic nucleus of Butler & Saidel ventrolateral thalamic nucleus ventromedial thalamic nucleus zona limitans intrathalamica third ventricle lateral recess posterior recess tela chorioidea third ventricle thalamic eminence telencephalon dorsal telencephalon caudal zone of dorsal telencephalon central zone of dorsal telencephalon dorsal zone of dorsal telencephalon lateral zone of dorsal telencephalon medial zone of dorsal telencephalon nucleus taeniae olfactory bulb external cellular layer glomerular layer internal cellular layer olfactory granule cell primary olfactory fiber layer optic recess telencephalic nucleus dorsal entopeduncular nucleus of ventral telencephalon nucleus of the tract of the anterior commissure pars subcommissuralis of ventral telencephalon peripheral nucleus of ventral telencephalon central nucleus of ventral telencephalon lateral nucleus of ventral telencephalon periventricular nucleus of ventral telencephalon dorsal nucleus of ventral telencephalon postcommissural nucleus of ventral telencephalon supracommissural nucleus of ventral telencephalon ventral nucleus of ventral telencephalon ventral entopeduncular nucleus of ventral telencephalon telencephalic ventricle tela chorioidea telencephalic ventricle telencephalic white matter anterior commissure commissura rostral, pars dorsalis commissura rostral, pars ventralis lateral forebrain bundle telencephalon lateral olfactory tract medial forebrain bundle telencephalon medial olfactory tract ventral telencephalon telencephalon diencephalon boundary forebrain midbrain boundary granule cell cerebellar granule cell hindbrain cerebellum cerebellar white matter commissura cerebelli commissure of the secondary gustatory nucleus cerebellovestibular tract corpus cerebelli climbing fiber granular layer corpus cerebelli molecular layer corpus cerebelli parallel fiber mossy fiber Purkinje cell layer corpus cerebelli Purkinje cell rostral cerebellar tract caudal mesencephalo-cerebellar tract rostral mesencephalo-cerebellar tract valvula cerebelli eurydendroid cell granular layer valvula cerebelli lateral valvula cerebelli medial valvula cerebelli molecular layer valvula cerebelli Purkinje cell layer valvula cerebelli vestibulolateralis lobe granular eminence medial caudal lobe fourth ventricle tela chorioidea fourth ventricle hindbrain commissure hindbrain interneuron CaD CaV MiD2cl MiD2cm MiD2i MiD3cl MiD3cm MiD3i MiM1 MiR1 MiR2 MiV1 MiV2 RoI2C RoI2R RoL1 RoL2 RoL2c RoL2r RoL3 RoM1c RoM1r RoM2l RoM2m RoM3l RoM3m RoV3 t-interneuron hindbrain nucleus abducens motor nucleus caudal motor nucleus rostral motor nucleus facial nerve motor nucleus griseum centrale lateral line sensory nucleus caudal octavolateralis nucleus decussation of the medial octavolateralis nucleus medial octavolateralis nucleus cerebellar crest medial funicular nucleus medulla oblongata vagal lobe dorsolateral motor nucleus of vagal nerve medial motor nucleus of vagal nerve nucleus isthmi nucleus lateralis valvulae nucleus of the medial longitudinal fasciculus medulla oblongata octaval nerve motor nucleus caudal octaval nerve motor nucleus rostral octaval nerve motor nucleus octaval nerve sensory nucleus caudal octaval nucleus descending octaval nucleus magnocellular octaval nucleus rostral octaval nucleus tangential nucleus medulla oblongata area postrema caudal root of abducens nerve decussation of medial funicular nucleus descending trigeminal root dorsal motor root of V facial lobe glossopharyngeal lobe inferior olive interpeduncular nucleus medulla oblongata lateral longitudinal fasciculus locus coeruleus reticular formation lateral column lateral reticular nucleus medial column inferior reticular formation intermediate reticular formation superior reticular formation medial column midline column raphe nucleus inferior raphe nucleus superior raphe nucleus rostral root of abducens nerve secondary gustatory nucleus medulla oblongata secondary gustatory tract sensory root of facial nerve sensory trigeminal nucleus isthmic primary nucleus medial funicular nucleus trigeminal nucleus mesencephalic nucleus of trigeminal nerve nucleus of the descending root secondary gustatory nucleus trigeminal nucleus trigeminal motor nucleus dorsal motor nucleus trigeminal nerve ventral motor nucleus trigeminal nerve ventral rhombencephalic commissure medulla oblongata visceromotor column viscerosensory commissural nucleus of Cajal statoacoustic (VIII) nucleus midbrain MeL MeLc MeLm MeLr MeM MeM1 midbrain nucleus central nucleus torus semicircularis ventrolateral nucleus optic tectum central zone of the optic tectum deep white zone intertectal commissure periventricular grey zone stratum album centrale stratum fibrosum et griseum superficiale stratum griseum centrale stratum marginale stratum opticum stratum periventriculare superficial grey and white zone tectal ventricle tela chorioidea tectal ventricle tegmentum cranial nerve III cranial nerve IV dorsal tegmental nucleus interpeduncular nucleus tegmentum lateral lemniscus nucleus nucleus Edinger-Westphal nucleus ruber oculomotor nucleus rostral tegmental nucleus superior reticular formation tegmentum trochlear motor nucleus torus longitudinalis torus semicircularis midbrain hindbrain boundary supraoptic tract anterior catecholaminergic tract brainstem and spinal white matter ansulate commissure bulbo-spinal tract commissure infima of Haller dorsal longitudinal fasciculus medial longitudinal fasciculus tecto-bulbar tract crossed tecto-bulbar tract uncrossed tecto-bulbar tract ventral rhombencephalic commissure vestibulo-spinal tract endohypothalamic tract lateral forebrain bundle medial forebrain bundle medial longitudinal catecholaminergic tract preopticohypothalamic tract floor plate grey matter neuromere spinal neuromere peripheral motor axons spinal cord central canal dorsal funiculus dorsal horn spinal cord dorsal root lateral funiculus spinal cord interneuron bifurcate interneuron CoB CoBL CiA CiD CoLA CoPA CoSA DoLA Kolmer-Agduhr neuron MCoD UCoD VeLD ventral funiculus ventral horn spinal cord ventral root white matter cranial nerve anterior lateral line nerve dorsal anterior lateral line nerve ventral anterior lateral line nerve cranial nerve I cranial nerve IX cranial nerve root vagal root cranial nerve V cranial nerve VI cranial nerve VII hyoideomandibular nerve cranial nerve VIII ampullary nerve cranial nerve X posterior lateral line nerve middle lateral line nerve terminal nerve ependymal cell glial cell glial cell (sensu Vertebrata) macroglial cell astrocyte Bergmann glial cell ependymoglial cell Muller cell oligodendrocyte perineuronal satellite cell myelinating Schwann cell terminal Schwann cell neuron afferent neuron sensory neuron extramedullary cell CNS neuron (sensu Vertebrata) basket cell Cajal-Retzius cell CNS interneuron CNS long range interneuron CNS short range interneuron midbrain interneuron Golgi cell pyramidal cell retinal ganglion cell stellate cell efferent neuron motor neuron spinal accessory motor neuron neurosecretory neuron interneuron amacrine cell bipolar neuron retinal bipolar neuron cone retinal bipolar cell OFF-bipolar cell ON-bipolar cell rod bipolar cell horizontal cell inhibitory interneuron stellate interneuron neuroglioform cell multipolar neuron peripheral neuron polymodal neuron pseudounipolar neuron receptor cell (sensu Animalia) auditory receptor cell chemoreceptor cell olfactory receptor cell ciliated olfactory receptor neuron crypt olfactory receptor neuron microvillous olfactory receptor neuron taste receptor cell mechanoreceptor cell hair cell hair cell anterior macula hair cell posterior macula pain receptor cell photoreceptor cell eye photoreceptor cell retinal cone cell retinal rod cell UV sensitive photoreceptor cell visible light photoreceptor cell photopic photoreceptor cell blue sensitive photoreceptor cell green sensitive photoreceptor cell red sensitive photoreceptor cell stretch receptor cell pressoreceptor cell thermoreceptor cell secondary neuron sensory processing neuron serotonergic neuron unipolar neuron peripheral nervous system ganglion cranial ganglion epibranchial ganglion facial ganglion glossopharyngeal ganglion vagal ganglion vagal ganglion 1 vagal ganglion 2 vagal ganglion 3 vagal ganglion 4 lateral line ganglion anterior lateral line ganglion dorsal anterior lateral line ganglion ventral anterior lateral line ganglion middle lateral line ganglion posterior lateral line ganglion statoacoustic (VIII) ganglion trigeminal ganglion trunk ganglion dorsal root ganglion lateral line system anterior lateral line system anterior lateral line infraorbital lateral line mandibular lateral line middle lateral line occipital lateral line opercular lateral line otic lateral line supraorbital lateral line head sensory canal system infraorbital sensory canal otic sensory canal post-otic sensory canal preoperculo-mandibular sensory canal mandibular sensory canal preopercular sensory canal supraorbital sensory canal lateral line dorsal lateral line posterior lateral line lateral line nerve middle lateral line system posterior lateral line system sensory canal sensory canal tubule supratemporal sensory canal trunk sensory canal primitive meninx tela chorioidea renal system mesonephric duct podocyte reproductive system oviduct urogenital papilla respiratory system gill branchiostegal membrane gill filament gill ionocyte gill lamella pharyngeal arch 3-7 pharyngeal arch 3 pharyngeal arch 4 pharyngeal arch 5 pharyngeal arch 6 pharyngeal arch 7 sensory system gustatory system taste bud olfactory system peripheral olfactory organ naris anterior naris posterior naris olfactory epithelium olfactory rosette olfactory support cell sensory axons peripheral vestibuloauditory system transverse canal visual system eye annular ligament ciliary zone cornea corneal endothelium corneal endothelial cell corneal epithelium corneal stroma Descemet's membrane iris lens lens epithelium optic choroid retina retinal neural layer optic fiber layer retinal ganglion cell layer retinal inner nuclear layer retinal inner plexiform layer retinal outer nuclear layer retinal outer plexiform layer retinal photoreceptor layer photoreceptor inner segment layer photoreceptor outer segment layer retinal pigmented epithelium visual pigment cell (sensu Vertebrata) skeletal system cranium cranial cartilage paired fin skeleton paired fin cartilage pectoral fin cartilage pelvic fin cartilage basipterygium cartilage pelvic radial cartilage pelvic radial 1 cartilage pelvic radial 1 pelvic radial 2 cartilage pelvic radial 2 pelvic radial 3 cartilage pelvic radial 3 pectoral fin skeleton pectoral fin lepidotrichium pectoral fin lepidotrichium 1 pectoral fin lepidotrichium 2 pectoral fin lepidotrichium 3 pectoral fin lepidotrichium 4 pectoral fin lepidotrichium 5 pectoral fin lepidotrichium 6 pectoral fin lepidotrichium 7 pectoral fin radial pectoral fin distal radial propterygium pectoral fin proximal radial pelvic fin skeleton pelvic fin lepidotrichium pelvic fin lepidotrichium 1 pelvic fin lepidotrichium 2 pelvic fin lepidotrichium 3 pelvic fin lepidotrichium 4 pelvic radial postcranial axial skeleton axial fin skeleton anal fin skeleton anal fin lepidotrichium anal fin lepidotrichium 1 anal fin lepidotrichium 2 anal fin lepidotrichium 3 anal fin lepidotrichium 4 anal fin lepidotrichium 5 anal fin lepidotrichium 6 anal fin lepidotrichium 7 branched anal fin ray caudal fin skeleton caudal fin lepidotrichium branched caudal fin ray caudal fin principal ray caudal fin principal ray 1 caudal fin principal ray 2 caudal fin principal ray 3 caudal fin principal ray 4 caudal fin principal ray 5 caudal fin principal ray 6 caudal fin principal ray 7 caudal fin principal ray 8 caudal fin principal ray 9 caudal fin principal ray 10 caudal fin principal ray 11 caudal fin principal ray 12 caudal fin principal ray 14 caudal fin principal ray 15 caudal fin principal ray 16 caudal fin principal ray 17 caudal fin principal ray 18 caudal fin principal ray 19 caudal fin procurrent ray caudal fin dorsal procurrent ray caudal fin ventral procurrent ray epural preural centrum 1+ ural centrum 1 preural vertebra preural 1 vertebra parhypural hypurapophysis preural 2 vertebra specialized hemal arch and spine hypural hypural 1 hypural 2 hypural 3 hypural 4 hypural 5 ural vertebra 2 ural centrum 2 uroneural urostyle rudimentary neural arch dorsal fin skeleton dorsal fin lepidotrichium branched dorsal fin ray dorsal fin lepidotrichium 1 dorsal fin lepidotrichium 2 dorsal fin lepidotrichium 3 dorsal fin lepidotrichium 4 dorsal fin lepidotrichium 5 dorsal fin lepidotrichium 6 dorsal fin lepidotrichium 7 intermuscular bone epineural epipleural postcranial axial cartilage basiventral hemal arch hemal postzygapophysis hemal prezygapophysis hemal spine parapophysis median fin cartilage supradorsal supraneural post-Weberian supraneural supraneural 5 supraneural 6 supraneural 7 supraneural 8 supraneural 9 vertebral column vertebra caudal vertebra centrum neural arch neural postzygapophysis neural prezygapophysis neural spine neural spine 4 precaudal vertebra non-Weberian precaudal vertebra rib rib of vertebra 1 rib of vertebra 2 rib of vertebra 3 rib of vertebra 4 rib of vertebra 5 rib of vertebra 6 vertebra 5 vertebra 6 vertebra 7 vertebra 8 vertebra 9 vertebra 10 vertebra 11 vertebra 12 ventricular system pineal complex epiphyseal stalk parapineal organ cell absorptive cell acid secreting cell acinar cell adrenal medulla cell alkali secreting cell ameloblast amelocyte auditory epithelial support cell barrier cell insulating cell lining cell endothelial cell mesothelial cell barrier epithelial cell cardiac mesenchymal cell cementoblast choroidal cell of the eye ciliated cell ciliated epithelial cell multi-ciliated epithelial cell single ciliated epithelial cell circulating cell dental papilla cell early embryonic cell electrically active cell electrically responsive cell electrically signaling cell epithelial cell columnar/cuboidal epithelial cell brush border epithelial cell cerebrospinal fluid secreting cell myoepithelial cell pigmented epithelial cell sensory epithelial cell simple columnar epithelial cell fenestrated cell ionocyte integument ionocyte NaK ionocyte vH ionocyte M cell squamous epithelial cell corneal epithelial cell epidermal cell hypodermal cell peridermal cell stratified cuboidal epithelial cell stratified epithelial cell stratified squamous epithelial cell transitional epithelial cell urothelial cell epithelial cell of pancreas exocrine cell extraembryonic cell fat cell fibroblast perijunctional fibroblast regeneration fibroblast reticular cell germ line cell hatching gland cell keratin accumulating cell keratinocyte ligament cell Merkel cell mesangial cell mesenchymal cell angioblastic mesenchymal cell nephrogenic mesenchyme stem cell mesenchyme condensation cell osteoprogenitor cell motile cell phagocyte myelin accumulating cell neurectodermal cell neuronal stem cell neuroblast neuroblast (sensu Vertebrata) neuroepithelial cell neuron neural crest derived neuroplacodal cell nucleate erythrocyte olfactory epithelial support cell osteoblast osteocyte oxygen accumulating cell paracrine cell parafollicular cell pericyte pigment cell cyanophore erythrophore iridophore gold iridophore silver iridophore leucophore melanocyte pigment cell (sensu Vertebrata) non-visual cell (sensu Vertebrata) xanthophore seminal fluid secreting cell somatic stem cell multi fate stem cell blastemal cell metanephric mesenchyme stem cell single fate stem cell totipotent stem cell sperm stratified epithelial stem cell stratified keratinized epithelial stem cell stromal cell extracellular matrix secreting cell collagen secreting cell chondrocyte columnar chondrocyte hypertrophic chondrocyte periarticular chondrocyte GAG secreting cell ito cell leptomeningeal cell sustentacular cell tendon cell compound organ cavitated compound organ solid compound organ multi-tissue structure blood vessel hypobranchial vessel brainstem compound organ component dental organ dental mesenchyme dental papilla inner dental epithelium outer dental epithelium dermis dermal deep region dermal superficial region scale circulus lateral line scale nevus duct perilymphatic duct otic duct nasal capsule pharyngeal arch pharyngeal arch 1 pharyngeal arch 2 prootic bulla serous membrane parietal peritoneum peritoneum mesentery dorsal mesentery ventral mesentery visceral peritoneum simple organ organism subdivision head barbel anterior nasal barbel inner mental barbel maxillary barbel mental barbel post-vent region anal fin caudal fin caudal fin lower lobe caudal fin upper lobe snout surface structure caudal peduncle fin dorsal fin pectoral fin pectoral fin fold pelvic fin regenerating fin blastema epithelial mesenchymal boundary regeneration epithelium apical epidermal cap basal regeneration epithelium distal epidermal cap integument epidermis epidermal basal stratum epidermal intermediate stratum epidermal superficial stratum hypodermis skin flap melanophore stripe opercular flap vent trunk portion of tissue actinotrichium anal fin actinotrichium caudal fin actinotrichium pectoral fin actinotrichium pelvic fin actinotrichium adipose tissue epithelium atypical epithelium dental epithelium primary dental epithelium dermomyotome multilaminar epithelium unilaminar epithelium simple columnar epithelium simple cuboidal epithelium simple squamous epithelium mesenchyme head mesenchyme branchial mesenchyme intramembranous bone dermal bone angular bone bony plate lepidotrichium sensory canal tubular ossicle membrane bone nerve pectoral fin nerve pectoral fin motor nerve pectoral fin sensory nerve portion of connective tissue bone element replacement bone chondral bone endochondral bone radial anal fin radial dorsal fin radial perichondral bone perichordal bone notochordal ossification bony projection cartilage element ligament interopercular-mandibular ligament lateral ethmoid-autopalatine ligament lateral ethmoid-ectopterygoid ligament premaxillary-maxillary ligament primordial ligament perichondrium perichordal connective tissue skeletal element regenerating tissue whole organism female organism male organism antorbital obsolete_auditory hair cell axial bone axial fin bone basisphenoid brachium conjunctivum cardiac muscle myoblast chondrocranium bone cranial bone cranial motoneurons dermatocranium bone dermopalatine duodenum epicentrals fin bone glioblast (sensu Vertebrata) hypural arches infraorbital bridge last preural centrum medial pterygiophores anal fin medial pterygiophores dorsal fin mentomeckelian opercular-branchiostegal series paired fin bone pharyngeal arch bone pharyngobranchial 1 pharyngobranchial 2+3 pons portion of organism substance cerebral spinal fluid perilymph scleral cell skeletal muscle myoblast fast muscle myoblast skeletal muscle satellite cell slow muscle myoblast smooth muscle myoblast stomach supramaxillae supraorbital series ural ossification anatomical set presumptive cardinal organ presumptive organ presumptive organ system visceral organ MiP motor neuron RoP motor neuron adult