Answer:
1.- Arachnoid mater: Middle meninx; web-like.
2.- Dura mater: Tough, outer meninx.
3.- Epidural space: Space filled with adipose tissue.
4.- Pia mater: Thin meninx intimate with spinal cord.
5.- Subarachnoid mater: Contains cerebrospinal fluid.
6.- Denticulate ligaments : Extension of pia mater attaching to dura.