Term: presumptive mesoderm ventral-most region
Name: presumptive mesoderm
Synonyms:
Definition: Presumptive structure fated to become mesoderm. Determined by fate mapping.
Ontology: Anatomy Ontology [ZFA:0001377]

Name: ventral-most region
Synonyms: ventral-most, ventralmost
Definition:
Ontology: Spatial Ontology [BSPO:0000039]