paleopallium

noun

pa·​leo·​pal·​li·​um
plural paleopallia -ē-ə How to pronounce paleopallium (audio) or paleopalliums
: 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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Cite this Entry

“Paleopallium.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/paleopallium. Accessed 8 Jul. 2026.

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