paleocortex

noun
pa·​leo·​cor·​tex
variants: or British palaeocortex \ -​ˈkȯr-​ˌteks How to pronounce paleocortex (audio) \
plural paleocortices\ -​ˈkȯrt-​ə-​ˌsēz How to pronounce paleocortex (audio) \ or paleocortexes

Medical Definition of paleocortex

: the part of the cerebral cortex that is evolutionarily older than the neocortex and that is composed especially of the olfactory cortex

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“Paleocortex.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/paleocortex. Accessed 11 Apr. 2021.

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