Definitions for "Otosclerosis"
a pathologic condition in which spongy bone grows around the footplate of the stapes (stirrup bone in the middle ear connected to the inner ear fluid) producing conductive hearing loss.
sclerosis of stapedial foot process in the oval window of the cochlea X Y Z
a hereditary condition of unknown cause in which irregular ossification (development of bone) occurs in the ossicles (small bones in the ear) of the middle ear causing hearing loss