| Name: | vertebra |
|---|---|
| Synonyms: | vertebrae |
| Definition: | All serially repeated ossified, cartilaginous, and ligamentous elements around the notochord (Schultze and Arratia, 1988). Adult zebrafish usually 32 vertebrae but may have as few as 30 to as many as 33 vertebrae. |
| Ontology: | Anatomy Ontology [ZFA:0001189] |
| Name: | bone tissue |
|---|---|
| Synonyms: | |
| Definition: | Skeletal tissue with a collagen-rich extracellular matrix vascularized, mineralized with hydroxyapatite and typically including osteocytes located in lacunae that communicate with one another by cell processes (in canaliculi). Bone is deposited by osteoblasts. |
| Ontology: | Anatomy Ontology [ZFA:0005621] |
| Name: | decreased mass density |
|---|---|
| Synonyms: | low density |
| Definition: | A density which is lower relative to the normal or average. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001790] |