| megacephaly | หัวโตเกิน [แพทยศาสตร์ ๖ ส.ค. ๒๕๔๔] |
| acephalia | (n) absence of the head (as in the development of some monsters), Syn. acephaly, acephalism |
| macrocephaly | (n) an abnormally large head; differs from hydrocephalus because there is no increased intracranial pressure and the overgrowth is symmetrical, Syn. megacephaly, megalocephaly |