Absence of the oval window. A case report.
D003051:Cochlea; D003638:Deafness / Q000209:etiology*; D004432:Ear, Middle / Q000002:abnormalities*; D034381:Hearing Loss; D006801:Humans; D010026:Osteosclerosis / Q000175:diagnosis*
DEAFNESS/etiology; EAR, MIDDLE/abnormalities; OSTEOSCLEROSIS/diagnosis