— neencephalic /nee'en seuh fal"ik/ , adj.
/nee'en sef"euh lon', -leuhn/ , n. , pl. neencephalons, neencephala /-leuh/ .
the more recent part of the brain in the evolutionary development of animals, including the cerebral cortex and its related structures.
Also, neoencephalon . Cf. paleencephalon .
[ 1915-20; NE- + ENCEPHALON ]