title: Congenital ossicular defects.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001299:Audiometry; D002648:Child; D004427:Ear Diseases / Q000145:classification / Q000151:congenital / Q000209:etiology / Q000473:pathology; D004429:Ear Ossicles / Q000002:abnormalities* / Q000473:pathology / Q000601:surgery; D005260:Female; D005276:Fenestration, Labyrinth; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D013201:Stapes Surgery