The ascending and descending tracts of the spinal cord are part of the
A)white matter.
B)gray matter.
C)both gray matter and white matter.

Question

Quizplus · Accepted Answer

The ascending and descending tracts of the spinal cord are part of the white matter, which is composed of myelinated axons that form the various tracts carrying sensory and motor information to and from the brain. Gray matter, on the other hand, contains cell bodies, dendrites, and unmyelinated axons, and is involved in processing and integrating information.

The Ascending and Descending Tracts of the Spinal Cord Are