| 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: | proliferative region |
|---|---|
| Synonyms: | cell cycle, cell division, proliferation |
| Definition: | Anatomical cluster which consists of rapidly dividing cells. |
| Ontology: | Anatomy Ontology [ZFA:0000098] |