Please read our disclaimer . Back to the index Figure 1. Cross section of ear.
Otosclerosis is a disease of the bones of the inner ear.
The ossicles become knit together into an immovable mass, and do not transmit sound as well as when they are more flexible. Stapes fixation in otosclerosis. Otosclerosis is usually inherited in an autosomal dominant pattern with variable penetrance. Hearing loss usually begins between the ages of 11-30. The hearing loss can be of two types.