SYN: isocortex.
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neo·cor·tex .nē-ō-'kȯr-.teks n, pl -cor·ti·ces -'kȯrt-ə-.sēz or -cor·tex·es the large 6-layered dorsal region of the cerebral cortex that is unique to mammals broadly the mammalian cerebral cortex
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neo·cor·tex (ne″o-korґteks) [neo- + cortex] [TA] the newer, six-layered portion of the cerebral cortex, showing stratification and organization characteristic of the most highly evolved type of cerebral tissue. Called also nonolfactory cortex. See also archicortex and paleocortex, and see illustration at layers of cerebral cortex, under layer.Medical dictionary. 2011.