The small layer of tissue surrounding the cerebral aqueduct in the brain is called:
A) periaqueductal gray.
B) cerebrospinal fluid.
C) a ventricle.
D) gray matter.

Question

Quizplus · Accepted Answer

The small layer of tissue surrounding the cerebral aqueduct in the brain is called periaqueductal gray. The periaqueductal gray is involved in pain modulation and has connections to different brainstem regions involved in response to stress.

The Small Layer of Tissue Surrounding the Cerebral Aqueduct in the Brain