Which of the Following Best Describes the Arachnoid Mater

Question

Which of the following best describes the arachnoid mater?
A) Limbic system
B) Meninges
C) Blood-brain barrier
D) Cranium

Accepted Answer

The arachnoid mater is one of the three layers of the meninges, which are the protective membranes surrounding the brain and spinal cord. The other two layers are the dura mater and the pia mater. Therefore, the best choice to describe the arachnoid mater is B) Meninges.