Term: vagal placode 4 ventral region
Name: vagal placode 4
Synonyms:
Definition: Epibranchial placode that gives rise to vagal ganglion 4.
Ontology: Anatomy Ontology [ZFA:0001300]

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