Term: caudal fin mesenchymal cell
Name: caudal fin
Synonyms: tail, tail fin
Definition: Fin that is the most posterior median fin. It is composed of a complex of three modified centra and modified neural and hemal arches and spines.
Ontology: Anatomy Ontology [ZFA:0001058]

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]