PATHOLOGY

Detailed explanation-1: -The central nervous system (CNS) is made up of the brain and spinal cord. It is one of 2 parts of the nervous system. The other part is the peripheral nervous system, which consists of nerves that connect the brain and spinal cord to the rest of the body. The central nervous system is the body’s processing centre.

Detailed explanation-2: -It is divided into two parts, the sympathetic nervous system, and the parasympathetic nervous system.

Detailed explanation-3: -The brain and spinal cord make up the central nervous system (CNS). The CNS is made of different types of tissues and cells which can develop into different types of tumours.

Detailed explanation-4: -The brain and spinal cord are covered and protected by 3 layers of tissue (membranes) called the meninges: dura mater – thickest outer membrane. arachnoid layer – middle, thin membrane. pia mater – inner, thin membrane.