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Following statements are true of the corticospinal or pyramidal tract, EXCEPT:a. Concerned with skilled movements of the distal muscles of the limbb. About 1/3 of the axons in the pyramidal tract arise from the primary motor cortex in areas 4 and 6c. About 90% of the tracts decussate to the opposite side at the lower level of the medullad. The fibers arise from the neurons in the ventral part of area 4 on the lateral surface of the hemisphere and from area 8
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