MRCP UK EXAMINATIONS

Detailed explanation-1: -Three layers of membranes known as meninges protect the brain and spinal cord. The delicate inner layer is the pia mater. The middle layer is the arachnoid, a web-like structure filled with fluid that cushions the brain. The tough outer layer is called the dura mater.

Detailed explanation-2: -There are three layers from superficial to deep the: dura mater; arachnoid mater; pia mater. Each layer of the meninges serves a vital role in maintenance and function of the central nervous system.

Detailed explanation-3: -The meninges separate three spaces called the epidural space, subarachnoid space, and the subdural space. Each of these spaces contains some important blood vessels, rupture of which can cause headache. The epidural space is a potential space located between the inner surface of the skull and the tightly adherent dura.

Detailed explanation-4: -The layers are the dura, arachnoid, and pia mater. The dura is a thick fibrous layer inside the surrounding bones, and the pia clings to the surface of the brain and spinal cord.