Between the arachnoid mater and pia mater is an area called the ________ space, which contains cerebrospinal fluid (CSF) to cushion the CNS.

Arachnoid Mater

One of the three layers (meninges) that surround and protect the brain and spinal cord, lying between the dura mater and the pia mater.

Pia Mater

The delicate innermost layer of the meninges, the membranes that envelop the brain and spinal cord, providing protection and support.

Cerebrospinal Fluid (CSF)

The fluid in the subarachnoid space of the meninges and the central canal of the spinal cord.