Term: post-vent region segmentation
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: segmentation
Synonyms:
Definition: The regionalization process that divides an organism or part of an organism into a series of semi-repetitive parts, or segments, often arranged along a longitudinal axis.
Ontology: GO: Biological Process [GO:0035282]    QuickGO    AmiGO