Term: caudal fin vascular smooth muscle
Name: caudal fin
Synonyms: tail, tail fin
Definition: Fin that is the most posterior median fin. It is composed of a complex of three modified centra and modified neural and hemal arches and spines.
Ontology: Anatomy Ontology [ZFA:0001058]

Name: vascular smooth muscle
Synonyms:
Definition: Smooth muscle that is part of the blood vessel wall.
Ontology: Anatomy Ontology [ZFA:0005321]