The calcified pineal in plain X-rays of the skull.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001927:Brain Diseases / Q000000981:diagnostic imaging; D002114:Calcinosis / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010870:Pineal Gland / Q000000981:diagnostic imaging*; D011859:Radiography