which of the meninges follows the contour of the brain closely
The pia mater is the delicate innermost layer of the meninges-the  membranes surrounding the brain and spinal cord. It is delicate and  vascular, and follows every contour o â¦ f the brain.he pia mater is the delicate innermost layer of the meninges-the  membranes surrounding the brain and spinal cord. It is delicate and  vascular, and follows every contour o â¦ f the brain.