Question

The corticospinal tract is located medially or laterally throughout the brainstem?

1) Medially
2) Laterally

Answer 1

The corticospinal tract is located medially throughout the brainstem.

Step-by-step explanation:

The corticospinal tract is located medially throughout the brainstem. It descends from the cortex through the deep white matter of the cerebrum. After passing through the midbrain as the cerebral peduncles and burrowing through the pons, it enters the medulla as the large white matter tract known as the pyramids.

At the medullary-spinal border, most of the fibers in the corticospinal tract cross over to the opposite side of the brain, a process called the pyramidal decussation.