The Inner Ear
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The small bone called the stirrup, one of the ossicles, exerts force on a thin membrane called the oval window, transmitting sound pressure information into the inner ear.
The inner ear can be thought of as
two organs: the semicircular canals
which serve as the body's balance
organ and the cochlea which serves as
the body's microphone, converting
sound pressure impulses from the
outer ear into electrical impulses
which are passed on to the brain via the
The basilar membrane of the inner ear plays a critical role in the perception of pitch according to the place theory.