NEET PG DENTAL EXAM

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: -The pia mater is the innermost layer of meninges. This thin, delicate membrane is tightly bound to the surface of the brain and spinal cord and cannot be dissected away without damaging the surface. Meningiomas are tumors of the nerve tissue covering the brain and spinal cord.

Detailed explanation-3: -Answer and Explanation: The correct sequence from outermost to innermost layers of the meninges: A) dura mater, arachnoid mater, and pia mater.

Detailed explanation-4: -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.