Epithelial invasion of intraossicular spaces.
D001842:Bone and Bones / Q000473:pathology; D002781:Cholesteatoma / Q000473:pathology*; D002908:Chronic Disease; D004427:Ear Diseases / Q000473:pathology; D004429:Ear Ossicles / Q000473:pathology*; D004848:Epithelium / Q000473:pathology; D006097:Granulation Tissue / Q000473:pathology; D006801:Humans; D007633:Keratins; D009093:Mucus; D010033:Otitis Media / Q000473:pathology* / Q000601:surgery
D007633:Keratins