Term: head mesenchyme ventral region
Name: head mesenchyme
Synonyms:
Definition: Mesoderm that will give rise, along with cranial neural crest cells, to connective tissue, bone and musculature in the head.
Ontology: Anatomy Ontology [ZFA:0000113]

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