Central nervous system (CNS)

Definition

The central nervous system consists of the brain and spinal cord, functioning as the primary control center for processing and integrating information throughout the body. It coordinates sensory data and directs motor function responses.

Related terms

Neuron: A neuron is a specialized cell transmitting nerve impulses; it's the basic working unit of the brain, spinal cord, and entire nervous system.

Synapse: A synapse is a junction between two neurons where electrical or chemical signals are transmitted from one neuron to another.

Myelin Sheath: The myelin sheath is an insulating layer that surrounds nerves, including those in the brain and spinal cord, which allows electrical impulses to transmit quickly along the nerve cells