paleocerebellum

noun
pa·​leo·​cer·​e·​bel·​lum | \ -ˈbel-əm How to pronounce paleocerebellum (audio) \
variants: or British palaeocerebellum \ ˌpal-​ē-​ How to pronounce palaeocerebellum (audio) \
plural paleocerebellums or paleocerebella\ -​ˈbel-​ə How to pronounce paleocerebella (audio) \

Medical Definition of paleocerebellum

: a phylogenetically old part of the cerebellum concerned with maintenance of normal postural relationships and made up chiefly of the anterior lobe of the vermis and of the pyramid — compare neocerebellum

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