Term: caudal vein dorsal side
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: dorsal side
Synonyms: dorsal
Definition: An anatomical region that is the entire part of an anatomical structure dorsal to a horizontal plane and bounded on one side by the same transverse plane.
Ontology: Spatial Ontology [BSPO:0000063]