[Variations in area proportion in the lateral cephalometric roentgenogram during prenatal growth].
D002508:Cephalometry; D005260:Female; D005333:Fetus; D005865:Gestational Age; D006801:Humans; D008297:Male; D011247:Pregnancy; D011859:Radiography; D012886:Skull / Q000000981:diagnostic imaging* / Q000196:embryology