Term: hypoblast ventral region
Name: hypoblast
Synonyms: mesendoderm
Definition: The inner of the two layers of the blastoderm that forms during gastrulation and give rise to the definitive mesoderm and endoderm.
Ontology: Anatomy Ontology [ZFA:0000117]

Name: ventral region
Synonyms:
Definition: Anatomical region ventrally located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000084]