paleopallium

noun
pa·leo·pal·li·um
variants: or British palaeopallium \-ˈpal-ē-əm \
plural paleopallia\-ē-ə \ or paleopalliums

Medical Definition of paleopallium 

: a phylogenetically old part of the cerebral cortex that develops along the lateral aspect of the hemispheres and gives rise to the olfactory lobes in higher forms

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one that holds something together

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