neencephalon
[ nee-en-sef-uh-lon, -luh n ]
/ ˌni ɛnˈsɛf əˌlɒn, -lən /
noun, plural ne·en·ceph·a·lons, ne·en·ceph·a·la [nee-en-sef-uh-luh] /ˌni ɛnˈsɛf ə lə/.
the more recent part of the brain in the evolutionary development of animals, including the cerebral cortex and its related structures.
Also
neoencephalon.
Compare
paleencephalon.
Origin of neencephalon
First recorded in 1915–20;
ne- +
encephalon