Meaning of neencephalon

ne•en•ceph•a•lon

Pronunciation: (nē"en-sef'u-lon", -lun), [key]
— pl. -lons, -la
  1. the more recent part of the brain in the evolutionary development of animals, including the cerebral cortex and its related structures.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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