Advanced age, disease, and overexposure to loud noises can all lead to conduction deafness
deformity of the auditory canal
increased absolute threshold
increased difference threshold
sensorineural deafness

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The skin in the outer ear canal has special glands that produce earwax. the fance name for this waxy stuff is cerumen.after the wax is produces, it slowly makes its way through the outer ear canal to the opening of the ear.

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