| Name: | somite 1 |
|---|---|
| Synonyms: | |
| Definition: | Anteriormost undifferentiated mesodermal component of early trunk segment or metamere, derived from paraxial mesoderm; forms the myotome, sclerotome and perhaps dermatome. |
| Ontology: | Anatomy Ontology [ZFA:0000072] |
| Name: | anatomical region |
|---|---|
| Synonyms: | |
| Definition: | A 3D region in space without well-defined compartmental boundaries; for example, the dorsal region of an ectoderm. |
| Ontology: | Spatial Ontology [BSPO:0000070] |