| Name: | branchiostegal ray 3 |
|---|---|
| Synonyms: | branchiostegal rays 3 |
| Definition: | Branchiostegal ray that is the most posterior ray which ossifies first (3.4 mm NL). |
| Ontology: | Anatomy Ontology [ZFA:0001280] |
| 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] |