The cranial base in trisomy 21.
D000293:Adolescent; D000328:Adult; D002508:Cephalometry; D002648:Child; D004314:Down Syndrome; D005260:Female; D006801:Humans; D008297:Male; D010159:Palate / Q000000981:diagnostic imaging; D011859:Radiography; D012737:Sex Factors; D012886:Skull / Q000000981:diagnostic imaging; D013223:Statistics as Topic