The eustachian tube in ear disease.
D000818:Animals; D001826:Body Fluids / Q000378:metabolism; D002415:Cats; D004285:Dogs; D004427:Ear Diseases / Q000503:physiopathology*; D004432:Ear, Middle / Q000378:metabolism; D005064:Eustachian Tube / Q000502:physiology / Q000503:physiopathology* / Q000601:surgery; D008026:Ligation; D010033:Otitis Media / Q000209:etiology / Q000503:physiopathology; D010159:Palate / Q000601:surgery; D011312:Pressure; D013100:Sphenoid Bone / Q000601:surgery; D014432:Tympanic Membrane / Q000503:physiopathology