Middle ear epithelium in chronic ear disease.
D002781:Cholesteatoma / Q000473:pathology; D002908:Chronic Disease; D004427:Ear Diseases / Q000473:pathology*; D004432:Ear, Middle / Q000473:pathology*; D004848:Epithelium / Q000473:pathology; D006801:Humans; D013701:Temporal Bone / Q000473:pathology