paleencephalon

noun

pa·le·en·ceph·a·lon ˌpā-lē-in-ˈsef-ə-ˌlän

variants or British palae-encephalon

ˌpal-ē-

plural paleencephala -lə

: the phylogenetically older part of the brain consisting of all parts except the cerebral cortex and closely related structures compare neencephalon

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“Paleencephalon.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/paleencephalon. Accessed 7 Jul. 2026.

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paleencephalon

noun

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