Term: post-vent region intermediate cell mass of mesoderm
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: intermediate cell mass of mesoderm
Synonyms: ICM, intermediate cell mass of Oellacher, posterior intermediate cell mass
Definition:
Ontology: Anatomy Ontology [ZFA:0000033]