Name: | vertebra |
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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: | osteoblast |
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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] |