Term: somite Z disc
Name: somite
Synonyms: somitic mesoderm
Definition: Undifferentiated mesodermal components of early trunk or tail segments or metameres, derived from paraxial mesoderm; forms myotomes, sclerotomes and perhaps dermatomes.
Ontology: Anatomy Ontology [ZFA:0000155]

Name: Z disc
Synonyms: Z band, Z disk, Z line
Definition: Platelike region of a muscle sarcomere to which the plus ends of actin filaments are attached.
Ontology: GO: Cellular Component [GO:0030018]    QuickGO    AmiGO