Term: somite 4 somitogenesis
Name: somite 4
Synonyms:
Definition: Undifferentiated mesodermal component of early trunk segment 4 or metamere, derived from paraxial mesoderm; forms the myotome, sclerotome and perhaps dermatome.
Ontology: Anatomy Ontology [ZFA:0000857]

Name: somitogenesis
Synonyms: formation of mesodermal clusters
Definition: The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo.
Ontology: GO: Biological Process [GO:0001756]    QuickGO    AmiGO