GENERAL HISTOLOGY

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: -(meh-NIN-jeez) The three thin layers of tissue that cover and protect the brain and spinal cord. Enlarge. Anatomy of the brain, showing the cerebrum, cerebellum, brain stem, and other parts of the brain.

Detailed explanation-3: -Dura Mater The outermost mater of the meninges, the dura, is composed of two layers: the periosteal layer that lies closest to the calvarium and the meningeal layer that lies closest to the brain tissue.

Detailed explanation-4: -These layers are the dura mater, arachnoid mater, and pia mater. Together, your meninges stabilize your brain, protect sensitive areas, and give support to nerves, blood vessels, lymphatics, and the cerebrospinal fluid found in your central nervous system.