The cerebral cortex has a grayish-tan appearance because
A) the cortex contains many axons.
B) of the large amount of myelin contained in the cortex.
C) nerve membrane is uniformly gray in appearance.
D) many Schwann cells are located in the cortex.
E) the cortex contains many cell bodies.

Question

Quizplus · Accepted Answer

The grayish-tan appearance of the cerebral cortex is due to the high concentration of cell bodies in this part of the brain. The cortex is the outer layer of the brain, and it consists primarily of neuronal cell bodies, with relatively few axons or myelin. Therefore, choice E is the best answer.

The Cerebral Cortex Has a Grayish-Tan Appearance Because