2007 Sensory Physiology

Auditory transduction

Normal organ of Corti

Scanning electron micrograph showing the normal organization of the organ of Corti. View is of the apical membrane of the single row of IHCs (top) and 3 rows of OHC (bottom). Notice the orderly arrangement of stereocilia.

Noise induced hearing loss

Disruption of IHC stereocilia and loss of OHC in the basal turn of the cochlea following noise exposure (90 dBA noise for 8 hours) 6 months earlier. This damage produced a profound hearing loss.



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