Star stuff. All matter heavier than hydrogen in your body was produced in stars.
Answer:
The middle layer of meninges is arachnoid, which resembles a cobweb in appearance, is a thin layer with numerous threadlike strands that attach it to the innermost layer. The space under the arachnoid, the subarachnoid space, is filled with cerebrospinal fluid and contains blood vessels
Explanation:
I believe the answer to your question is <span>Glial cells</span>