title: Tympany of the eustachian tube diverticulum (gutteral pouch) in a foal.
mesh_terms: D000818:Animals; D005064:Eustachian Tube; D005260:Female; D006734:Horse Diseases / Q000473:pathology / Q000601:surgery*; D006736:Horses; D010608:Pharyngeal Diseases / Q000473:pathology / Q000601:surgery / Q000662:veterinary*