<P> The corticospinal tract is a white matter motor pathway starting at the cortex that terminates on motor neurons and interneurons in the spinal cord, controlling movements of the limbs and trunk . There are more than 1 million neurons in the corticospinal tract, and they become myelinated usually in the first two years of life . </P> <P> The corticospinal tract is one of the pyramidal tracts, the other being the corticobulbar tract . </P>

Where does the corticospinal tract start and end
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