| Name: | dorsal fin lepidotrichium |
|---|---|
| Synonyms: | dorsal fin lepidotrichia, dorsal fin ray |
| Definition: | Lepidotrichium which is part of the dorsal fin. Bony, bilaterally paired segmented dermal ossification extending distally from the endoskeletal supports. They develop around actinotrichia as part of the dermal exoskeleton. |
| Ontology: | Anatomy Ontology [ZFA:0001418] |
| Name: | osteoblast |
|---|---|
| Synonyms: | osteoblasts |
| Definition: | A bone-forming cell which secretes an extracellular matrix. Hydroxyapatite crystals are then deposited into the matrix to form bone. |
| Ontology: | Anatomy Ontology [ZFA:0009031] |