The space present in the middle of 3 layers of brain known as meninges. These meninges form the outer of the brain. The space under the arachnoid matter is referred as subarachnoid space.
The space present in the middle of 3 layers of brain known as meninges. These meninges form the outer of the brain. The space under the arachnoid matter is referred as subarachnoid space.