| 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: | dermal superficial region |
|---|---|
| Synonyms: | stratum laxum |
| Definition: | Outer portion of the dermis composed of a loose collagenous matrix housing numerous fibroblasts, nerves, some pigment cells, and scales. Scale development takes place in this layer of the dermis. |
| Ontology: | Anatomy Ontology [ZFA:0001183] |