Term Name: somite 21
Synonyms:
Definition: Undifferentiated mesodermal component of early tail 21 segment or metamere, derived from paraxial mesoderm; forms the myotome, sclerotome and perhaps dermatome.
Appears at: Segmentation:20-25 somites (19.0h-22.0h)
Evident until: Hatching:Pec-fin (60.0h-72.0h)
Ontology: Anatomy Ontology [ZFA:0000854]

Relationships
has parts: muscle pioneer somite 21 myotome somite 21 sclerotome somite 21
is a type of: somite

Show Anatomy Details