Name: | otic vesicle |
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Synonyms: | otic capsule, otocyst, ov |
Definition: | Epithelial sac present beside the fifth rhombomere; forms the semicircular canals dorsally and the otolith organs ventrally, and houses the acoustico-vestibular sensory epithelia (maculae) of hair cells. (Also see Anatomical Atlas entry for ear by T. Whitfield.) |
Ontology: | Anatomy Ontology [ZFA:0000051] |
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] |