"It most involves the arachnoid and pia mater, or the leptomeninges ("thin meninges")"
subarachnoid space
The outermost layer of meninges is called as Dura matter. It has got outer and inner layers in Dura matter. Together they form various venous sinuses in the meninges.
middle layer of meninges is called arachnoid
dura matter
dura matter.
pia meter
the three layers of meninges are as follows: Outer layer(layer closet to the skull): known as the Dura Mater. Middle layer: known as the Arachnoid Inner layer(layer closest to the cerebral cortex): known as the Pia Mater ***The meninges contain cerebral spinal fluid (which is produced in the brain stem) which as a shock absorber. The meninges also provide extra support and protection for the brain.controls involuntary muscle
False
The middle element of the meninges is the arachnoid membrane
Dura mater
meninges
Pia matter!