Quick Facts
This large bundle of corticofugal fibers is also known as the crus cerebri. It descends from the cerebral cortex to the brain stem and spinal cord. The peduncle contains the corticospinal and corticopontine tracts; these control voluntary movement.
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Cerebral Peduncle
The cerebral peduncles are a paired structure that takes in the ventral region of the brainstem – the area between the ventricular system and the basal or ventral surface.
