Otosclerosis

Living with

How does normal hearing work compared to those with otosclerosis?

Sound is made by creating vibrations in the air. These vibrations enter our ears from outside and hit the ear drum. The ear drum vibrates in the same way that the sound does, and hits a small bone in the middle ear called the malleus. The malleus starts vibrating list the ear drum, and hits another bone called the incus. The incus vibrates too, and hits the final bone of the middle ear, the stapes. When the stapes vibrates, it hits a small window in the bone surround our inner ear. This causes fluid in our inner ear to start moving. As the fluid moves, it tugs on cells in the inner ear called hair cells. The hair cells are connected to the auditory nerve. Tugging on the hair cells causes the auditory nerve to send a signal to our brain about the sound we are hearing.

To learn more about how we hear normally, click here.

SOURCE: Emory University - Department of Human Genetics in collaboration with ThinkGenetic • https://www.thinkgenetic.com/diseases/otosclerosis/living-with/9240 • DATE UPDATED: 2016-06-15

References

What you should know about otosclerosis. American Academy of Otolaryngology – Head and Neck Surgery. (http://www.entnet.org/content/what-you-should-know-about-otosclerosis)

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