One of the main things that the debate between Madison and Jefferson tells us about the importance of compromise is that it is very rare and sometimes impossible for two people to see "eye to eye" on issues in politics--making compromise absolutely essential if you want to get things done.
The meninges are the tissues that cover and protect the brain and spinal cord. The meninges have the pia mater that is close to the brain, the spider web-like middle layer is called arachnoid mater, and the outermost and toughest layer is called the dura mater. It acts like a cushion for the brain, it sends nutrients to the brain and removes toxins from the brain.
