Calcific annuli in the aorta of a dog.
D000818:Animals; D001018:Aortic Diseases / Q000473:pathology / Q000662:veterinary*; D002114:Calcinosis / Q000662:veterinary*; D004283:Dog Diseases / Q000473:pathology; D004285:Dogs; D004562:Electrocardiography; D008297:Male; D008944:Mitral Valve Insufficiency / Q000662:veterinary