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29
movements of the linkd tips of stereocilia causes their membranes to depolarise. what neurotransmitter do they release?
what happens next?
what happens next?
neurotransmitter glutamate from the hair cell,
glutamte bidns to sensory neurons that synapse on each hair cell -> Generated action potentials travel in axons to their neuronal cell bodies in the spiral ganglion -> cochlear nerve, a component of the vestibulocochlear (VIII) cranial nerve ->deforming waves ascend and then descend in the neighbouring scalae vestibuli and tympani -> Pressure waves descending in the scala tympani are converted (back) to vibrations at the secondary tympanic membrane of the round window and dissipated in the air of the tympanic cavity.
glutamte bidns to sensory neurons that synapse on each hair cell -> Generated action potentials travel in axons to their neuronal cell bodies in the spiral ganglion -> cochlear nerve, a component of the vestibulocochlear (VIII) cranial nerve ->deforming waves ascend and then descend in the neighbouring scalae vestibuli and tympani -> Pressure waves descending in the scala tympani are converted (back) to vibrations at the secondary tympanic membrane of the round window and dissipated in the air of the tympanic cavity.
