CLINICAL MEDICINE

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: -meninges, singular meninx, three membranous envelopes-pia mater, arachnoid, and dura mater-that surround the brain and spinal cord.

Detailed explanation-3: -The CNS is protected by structures including the skull, spinal vertebrae, meninges, and cerebrospinal fluid.

Detailed explanation-4: -Cerebrospinal fluid (CSF) surrounds the spinal cord, which is also shielded by three protective layers called the meninges (dura, arachnoid and pia mater).

Detailed explanation-5: -Meninges are formed by three tissue membranes that are primarily known as wrappers of the brain. They consist of dura mater, arachnoid and pia mater.