Anomalies of the middle ear.
D004429:Ear Ossicles / Q000002:abnormalities*; D004432:Ear, Middle; D006309:Hearing; D006311:Hearing Disorders / Q000209:etiology*; D006320:Hearing Tests; D006801:Humans
EAR OSSICLES/abnormalities; HEARING DISORDERS/etiology and pathogenesis