type I hair cell
Definition: sensory cells of the maculae and cristae of the vestibular labyrinth of the inner ear; afferent and efferent nerve fibers of the vestibular nerve synapse with them; from the apical end of each cell a bundle of stereocilia and a kinocilium extend into the otolithic membrane of the maculae or the cupula of the cristae. Type I hair cells are flask shaped and enclosed in calyx endings of afferent neurons.
See Also: vestibular hair cells
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