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pa·leo·cer·e·bel·lum | \ -ˈbel-əm 
\
\variants:
or British palaeocerebellum \ ˌpal-ē- \
\ plural paleocerebellums or paleocerebella\ -ˈbel-ə \
\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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