noun
the anterior lobe of the cerebellum which was one of the earliest parts of the hindbrain to develop in mammals
• Hypernyms: ↑neural structure
• Part Holonyms: ↑cerebellum
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\\| ̷ ̷ ̷ ̷ ̷ ̷+\ noun : 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 archicerebellum, neocerebellum
Useful english dictionary. 2012.