Question

along the length of pyramids, what is the percentage of axons that cross the midline (decussate) to enter the descending lateral corticospinal tracts?

Explanation:

The corticospinal tract is a major descending pathway for motor control. Approximately 85% of the axons in the corticospinal tract cross (decussate) at the pyramidal decussation in the medulla oblongata to form the lateral corticospinal tract.

Answer:

85 percent