Answer:
The subarachnoid space is filled with the cerebrospinal fluid.
Explanation:
Meninges are the three membranous layers that envelop the brain and the spinal cord. The meninges is composed of :
1. dura mater, 2. arachnoid mater and 3. pia mater.
The space present between the pia mater and arachnoid mater, that continues down spinal cord, is known as the subarachnoid space. The subarachnoid space is filled with the cerebrospinal fluid.
