Fixed ossicles as related to pneumatization.
D000293:Adolescent; D000328:Adult; D000844:Ankylosis / Q000175:diagnosis / Q000209:etiology*; D001299:Audiometry; D001844:Bone Conduction; D003638:Deafness / Q000209:etiology; D004429:Ear Ossicles; D004432:Ear, Middle / Q000002:abnormalities* / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male