Question

What is the three-layered tissue covering the brain and the spinal cord? Briefly explain.

Answer 1

The three-layered protective tissue covering is called the meninges.

• Dura Mater: The thick, strong, and folded outermost fibrous layer.
• Arachnoid: The thin, delicate, web-like middle membrane.
• Pia Mater: The innermost delicate layer containing a rich network of blood vessels that supplies vital nourishment to underlying nervous tissue.