Blood vessel directly supplying the spinal cord are found surrounded by the?

a. subarachnoid space.
b. dura mater.
c. subdural space.
d. pia mater.
e. epidural space.

Answer:
A is the closest answer. I thought it was the arachnoid cloak, hence the term "arachnoid" description "spider-like" referring to the vascular appearance of the layer.
epidural space
pia mater. it is the seam that surrounds the spinal cord.

its definitely not the epidural space. that's outside the dura mater!
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