Term: post-vent region vertebra
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: vertebra
Synonyms: vertebrae
Definition: All serially repeated ossified, cartilaginous, and ligamentous elements around the notochord (Schultze and Arratia, 1988). Adult zebrafish usually 32 vertebrae but may have as few as 30 to as many as 33 vertebrae.
Ontology: Anatomy Ontology [ZFA:0001189]