Term: caudal vein ventral region
Name: caudal vein
Synonyms: CV
Definition: Vein in the tail returning blood from the trunk and tail to the heart, leads directly into the posterior cardinal vein in the posterior trunk.
Ontology: Anatomy Ontology [ZFA:0000180]

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