| Name: | parietal bone |
|---|---|
| Synonyms: | post parietal |
| Definition: | Paired dermal bone that covers the hind part of the cranium, overlapping the dorsal edge of the sphenotic, pterotic, epiotic and the anterior edge of the supraoccipital. The parietal are overlapped anteriorly by the frontal. |
| Ontology: | Anatomy Ontology [ZFA:0000486] |
| 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] |