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Inner
hair cells: single
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row,
~3500 cells,
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stereocilia
free in fluid.
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Outer
hair cells: 3 (to 4)
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rows,
totalling ~ 12000,
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stereocilia
embedded in
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gelatinous
overlying
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tectorial
membrane
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From
basilar membrane
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vibration,
adjacent hair
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cells
differ ~0.2% in
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CHARACTERISTIC
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FREQUENCY
(freq at
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which
most sensitive).
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(Piano
strings: 6% apart)
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