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ˌpalæocereˈbellum Anat.
Also (chiefly U.S.) paleo-.
[mod.L., f. palæo-, paleo- b + cerebellum.]
A phylogenetically older portion of the cerebellum, comprising mainly the anterior lobe, pyramid, and uvula.
1925,1954[see neocerebellum]. 1974Encycl. Brit. Macropædia XII. 990/2 The anterior lobe of the cerebellum represents the paleocerebellum, an area that regulates equilibrium and muscle tone; it constitutes the main mass of the cerebellum in fish, reptiles, and birds.
So ˌpalæocereˈbellar a., of or pertaining to the palæocerebellum.
1936C. U. A. Kappers et al. Compar. Anat. Nervous Syst. Vertebr. I. vii. 777 The above mentioned group of authors has separated the cerebellum into a neocerebellar portion and a paleocerebellar portion. 1958L. Hausman Clin. Neuroanat. xxii. 203 (heading) Syndrome of paleocerebellar atrophy. |