Density of mucous glands in chronic otitis media.
D001706:Biopsy; D002908:Chronic Disease; D004432:Ear, Middle / Q000473:pathology; D006801:Humans; D008416:Mastoid / Q000601:surgery; D009092:Mucous Membrane / Q000473:pathology; D009093:Mucus; D010033:Otitis Media / Q000473:pathology / Q000601:surgery; D014433:Tympanoplasty