Term: post-vent region melanocytic tumor
Name: post-vent region
Synonyms: tail
Definition: Organism subdivision which is the part of the body posterior to the vent which includes the anal and caudal fins.
Ontology: Anatomy Ontology [ZFA:0001117]

Name: melanocytic tumor
Synonyms:
Definition: Tumors derived from melanocytes.
Ontology: MPATH [MPATH:358]