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3 Cards in this Set
- Front
- Back
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Auditory function |
Auricle which collects and conducts to tympanic membrane Causes malleus,incus and stapes to vibrate Vibration in the perilymph of scala vestibuli Causes vibration of the vestibular membrane and endolymph in the cochlear duct Causes basilar membrane to vibrate Hair cells microvilli become bent Causes depolarization of hair cells Aps are conducted to CNs Ap are conducted to CNs Ap are translated in the cerebral cortex and are perceived as sound |
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Neural pathways |
Vestibulor chlochear Nuerons from cochlear ganglion synapse with CNS in the dorsal or ventral cochlear in the superior medulla near the inferior cerebellar peduncle Superior olivary nucleus Afferent nuerons returning to cochlea to modulate pitch perception Also project trigeminal nerve |
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Diagram |
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