| 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: | dorsal-ventral axis |
|---|---|
| Synonyms: | anterior-posterior axis, D-V axis, dorsoventral axis, DV axis |
| Definition: | An axis that is approximately perpendicular to the anterior-posterior axis and that extends through the horizontal plane of the body. |
| Ontology: | Spatial Ontology [BSPO:0000016] |