Term: somite ventral margin
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: ventral margin
Synonyms:
Definition: Anatomical margin that is located on the ventral side of the body or body part.
Ontology: Spatial Ontology [BSPO:0000684]