One major difference between the pyramidal and the extrapyramidal motor tracts is their points of origin. The pyramidal tracts carry messages from _______ to the spinal cord, whereas the extrapyramidal tracts carry messages from _______ to the spinal cord.
A)cortical structures; subcortical structures
B)cranial nerves; peripheral nerves
C)basal ganglia; the cerebral cortex
D)subcortical structures; the cerebral cortex

Question

Quizplus · Accepted Answer

The pyramidal tracts originate in cortical structures, specifically the primary motor cortex and the premotor cortex. The extrapyramidal tracts, on the other hand, originate in subcortical structures, specifically the basal ganglia and the brainstem.

One Major Difference Between the Pyramidal and the Extrapyramidal Motor