Term: pharyngeal arch 4 ventral region
Name: pharyngeal arch 4
Synonyms: branchial arch 2, gill arch 2, visceral arch 4
Definition:
Ontology: Anatomy Ontology [ZFA:0001607]

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