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] |
Name: | stereocilium bundle |
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Synonyms: | stereocilia bundle |
Definition: | A bundle of cross-linked stereocilia, arranged around a kinocilium on the apical surface of a sensory hair cell (e.g. a neuromast, auditory or vestibular hair cell). Stereocilium bundles act as mechanosensory organelles by responding to fluid motion or fluid pressure changes. |
Ontology: | GO: Cellular Component [GO:0032421] QuickGO AmiGO |