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: | posterior crista |
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Synonyms: | caudal crista, pc, posterior crista ampullaris, posterior cristae, posterior semicircular canal sensory patch, posterior semicircular canal sensory patches |
Definition: | Patch of thickened, pseudostratified epithelium that is associated with the posterior semicircular canal. It consists of regular arrays of sensory hair cells interspersed with supporting cells. The posterior crista has its own characteristic shape and polarity pattern. (See Anatomical Atlas entry for sensory patches of the ear by T. Whitfield.) |
Ontology: | Anatomy Ontology [ZFA:0000566] |