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Nature 433, 810-811 (24 February 2005) | doi:10.1038/433810a; Published online 23 February 2005
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Hearing: Aid from hair force
Corné Kros1
Abstract
Mammals hear with exquisite sensitivity and precision over a huge range of frequencies; tiny amplifiers in the inner ear make this possible. New results challenge current thinking on how these amplifiers work.
Our ability to hear relies on cells in the inner ear called hair cells — named after the bundle of 100 or so hair-like projections that protrudes from their upper surfaces. Sound bends the hair bundles, causing small electrical ('transducer') currents to flow, which in turn makes the hair cells signal the reception of sound to the brain.
- Corné Kros is in the School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QG, UK.
e-mail: Email: c.j.kros@sussex.ac.uk
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