| Name: | entopterygoid |
|---|---|
| Synonyms: | endopterygoid, mesopterygoid |
| Definition: | The entopterygoid is a dermal bone that forms the anteroventral and ventral surface of the orbit. It develops as a long sliver of bone developing in the membrane dorsomedial to the palatoquadrate cartilage (3.8 mm NL). |
| Ontology: | Anatomy Ontology [ZFA:0000657] |
| 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] |