One similarity between the corticospinal and corticonuclear fibers is that:
A)both sets of fibers pass through the posterior limb of the internal capsule
B)both fibers originate at the cortex
C)they are both largely composed of contralateral fibers
D)they both terminate on lower motor neurons in the spinal cord

Question

Quizplus · Accepted Answer

Both sets of fibers have their origin in the motor cortex.The corticonuclear fibers pass through the knee,or genu,of the internal capsule,and are comprised of several ipsilateral fibers.They terminate on brainstem nuclei.

One Similarity Between the Corticospinal and Corticonuclear Fibers Is That