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Outer Hair Cells

  1. Acoustic amplifiers” of the cochlea
  2. In three rows along the length of the cochlea
  3. About 10000 in number
  4. Innervated by type II nerves (about 2000 of them)
  5. OHCs provide positive feedback into the motion of the basilar membrane- “Tuning of Cochlea”
  6. Contain Prestin protein - responsible for electromotility of OHC

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