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Pronunciation: pa'le-o-ser'e-bel'um

Definition: Phylogenetic term referring to the portion of the cerebellum including most of the vermis and the adjacent zones of the cerebellar hemispheres rostral to the primary fissure; paleocerebellum is equated with the anterior lobe and corresponds to the zone of distribution of the spinocerebellar tracts and is sometimes called spinocerebellum; in phylogenetic age, it is thought to be intermediate between the archicerebellum [TA] and the neocerebellum [TA].

Synonym(s): spinocerebellumTA

[paleo- + L. cerebellum]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.