(o″to-spon″je-o´sis) the formation of spongy bone in the bony labyrinth of the ear.
Type: Term Pronunciation: ō′tō-spŏn′jē-ō′sis Definitions: 1. A more accurately descriptive term for the pathologic changes in otosclerosis.
otospongiosis 1. A disease of the bone surrounding the inner ear, leading in approximately 15% of affected cases to impaired hearing, usually of the conductive kind. 2. The formation of spongy bone in the bony labyrinth of the ear.