A layer of the cerebral cortex, intermediate phylogenetically between the neocortex and archicortex, and separated from the neocortex by the rhinal fissure.(noun)
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Use "paleocortex" in a sentence
"The cortex of the cingulate gyrus is juxtallocortex or paleocortex 4 to 5 layered (Majority of the cerebral cortex is 6 layered and is called isocortex."