Answer: Spinal Meninges
Step-by-step explanation:
Answer is spinal meninges
Spinal meninges are specialize membranes that surrounds the spinal cord and the brain. Spinal meninges consist of three membrane layers that surround the spinal cord. The three membrane layers are dura mater, arachnoid mater, and pia mater.
Dura mater: The outermost and the thickest membrane.
Arachnoid mater is the middle layer which connects the dura mater and the pia mater.
Pia mater is the innermost layer, it forms a coat around the spinal cord and brain.
Also cerebrospinal fluid (CSF) are liquid that circulate the Spinal Meninges.