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There are 31 pairs of nerves that emerge from the spine. They control sensation and movement of the body. If injured, therapy or surgery can help.| Verywell Health
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Learn the anatomy of the spinal nerves, including their roots, components and functions faster and more efficiently with this comprehensive article.| Kenhub
The myelin sheath is a lipid-rich, insulating layer that surrounds the axons of many nerve cells. Produced by oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system, it serves to increase the speed of nerve impulses. The sheath is segmented, with gaps called nodes of Ranvier, which play a crucial role in the rapid transmission of electrical signals along the axon.| Simply Psychology
The peripheral nervous system (PNS) is critical for connecting the central nervous system (CNS) to the rest of the body. It is essential for bodily functions such as movement, sensation, and autonomic processes.| Simply Psychology
A neuron is a nerve cell that processes and transmits information through electrical and chemical signals in the nervous system. Neurons consist of a cell body, dendrites (which receive signals), and an axon (which sends signals). Synaptic connections allow communication between neurons, facilitating the relay of information throughout the body.| Simply Psychology