The Corticospinal System

question 49

Multiple Choice

The corticospinal system

• A)consists of fibers originating in the primary motor cortex and terminating on motor neurons
• B)involves the motor regions of the cortex, cerebellum, basal nuclei, and thalamus
• C)is primarily concerned with regulation of body posture
• D)has characteristics a and b
• E)has characteristics b and c

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