Question

question 19
the layer of the menings that is closet to the spinal cord is the:
a arachnoid mater
b dura mater
c pia mater
d subarachnoid space

Explanation:

The meninges have three layers. The dura mater is the outermost layer. The arachnoid mater is in the middle. The pia mater is the innermost layer, closely covering the spinal cord (and brain). The subarachnoid space is not a layer but a space between the arachnoid mater and pia mater.

Answer:

C. pia mater