(plă-tis'ten-sef'ă-lē), Extreme width of the skull in the occipital region, with anterior narrowing and prognathism. [G. platystos, widest, superl. of platys, wide, + enkephalē, brain]
platystencephaly
(plăt″ĭ-stĕn-sĕf′ă-lē) [″ + kephale, head] Having a skull wide at the occiput.