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Pronunciation: hi'dran-en-sef'a-le

Definition: Absence of cereberal hemispheres, which have been replaced by fluid-filled sacs, lined by leptomeninges. The cranium and its brain cavities, however, are normal.

[hydr- + G. an- priv. + enkephalos, brain]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.