Microscopic Hair Cells – Normal and Damaged

Microscopic hair cells - normal and damaged

Here’s a photo showing the microscopic “hair cells” of the inner ear. These tiny cillia “wiggle” in response to sound waves that enter the inner ear, telling your auditory/hearing nerve the sound exists. The picture on the right shows missing and damaged hair cells. This is one of the main causes of hearing loss. The hair cells are not there to respond to soft sounds.

(photo from the House Research Institute)

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