| 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. |
| Ontology: | Anatomy Ontology [ZFA:0000854] |
| Name: | somite border |
|---|---|
| Synonyms: | somite border cell, somite boundary |
| Definition: | Anatomical surface separating somites. |
| Ontology: | Anatomy Ontology [ZFA:0001462] |