| Name: | centrum |
|---|---|
| Synonyms: | autocentrum |
| Definition: | Centra are represented by mineralized, calcified, or ossified portions that surround the notochord. The autocentrum, present in Danio and all other living teleosts, is formed by direct ossification outside the elastica externa of the notochord (Arratia, 1999). |
| Ontology: | Anatomy Ontology [ZFA:0000126] |
| 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] |