| 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: | leukocyte |
|---|---|
| Synonyms: | immune cell, leucocyte, white blood cell |
| Definition: | An achromatic cell of the myeloid or lymphoid lineages, found in blood or other tissue. |
| Ontology: | Anatomy Ontology [ZFA:0009309] |