Term: post-vent region neoplasm
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: neoplasm
Synonyms:
Definition: A tumor resulting from abnormal and uncontrolled autonomous new cell growth (proliferation)that may be benign or malignant.
Ontology: MPATH [MPATH:218]