Which meningeal layer follows the surface contours of the brain and spinal cord?

• A. Dura mater
• B. Pia mater
• C. Epidural space
• D. Arachnoid mater

Answer: (B)

Verified step by step guidance

1. Understand the structure and function of the meninges, which are protective coverings of the brain and spinal cord.
2. Identify the three main meningeal layers: dura mater, arachnoid mater, and pia mater.
3. Recognize that the dura mater is the outermost layer, providing a tough protective covering.
4. Note that the arachnoid mater is the middle layer, which is web-like and does not closely follow the brain's surface contours.
5. Understand that the pia mater is the innermost layer, which closely adheres to the surface contours of the brain and spinal cord, following every fold and groove.