Calcification of the carotid siphon.
D000328:Adult; D000368:Aged; D001018:Aortic Diseases / Q000473:pathology; D001161:Arteriosclerosis / Q000150:complications*; D002114:Calcinosis; D002340:Carotid Artery Diseases / Q000473:pathology*; D002561:Cerebrovascular Disorders / Q000473:pathology; D003327:Coronary Disease / Q000473:pathology; D006801:Humans; D066298:In Vitro Techniques; D008875:Middle Aged; D011859:Radiography