| Name: | regenerating fin |
|---|---|
| Synonyms: | regenerating fins |
| Definition: | Fin undergoing the process of regeneration. |
| Ontology: | Anatomy Ontology [ZFA:0001269] |
| Name: | actinotrichium |
|---|---|
| Synonyms: | actinotrichia |
| Definition: | Skeletal element which is a slender, horny, flexible, unsegmented fibril which provide structural support to fin folds or fins. Actinotrichia are translucent, exhibit birefringence (double refraction) and are composed of the scleroprotein elastoidine. |
| Ontology: | Anatomy Ontology [ZFA:0005435] |