Which of the Following is Gray Matter

Question

Which of the following is gray matter?
A) neural cortex
B) columns
C) tracts
D) bundles of axons in the PNS
E) nerves

Accepted Answer

Gray matter in the CNS is composed of neuronal cell bodies, dendrites, and glial cells. The neural cortex is a part of the gray matter as it contains neuronal cell bodies and dendrites.

B) columns, C) tracts, D) bundles of axons in the PNS, and E) nerves are not gray matter. Columns, tracts, and bundles of axons are white matter structures, while nerves contain both white and gray matter.