cerebral peduncle

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Either of two large bundles of white nerve fibres in front of the brainstem, connected to the sides of the pons, arising from the cerebral hemispheres and carrying descending fibres of the corticospinal tract. Compare cerebellar peduncle. [From Latin cerebrum the brain + pedunculus, a corruption of pediculus a little foot, from pes, pedis a foot]

Subjects: Psychology.

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