Term: post-vent region mesenchymal cell
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: mesenchymal cell
Synonyms: mesenchymal cells
Definition: A cell that normally gives rise to other cells that are organized as three-dimensional masses, rather than sheets.
Ontology: Anatomy Ontology [ZFA:0009081]