PHYSIOLOGY
NEUROTRANSMISSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Controls the actions of the neuron
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Produces food for the neuron
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Carries information from the cell body to other neuronsThis is a wrong answer
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Surrounds and insulates the axon
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Detailed explanation-1: -Myelin is an insulating layer, or sheath that forms around nerves, including those in the brain and spinal cord. It is made up of protein and fatty substances. This myelin sheath allows electrical impulses to transmit quickly and efficiently along the nerve cells. If myelin is damaged, these impulses slow down.
Detailed explanation-2: -It insulates the nerve fibers to prevent signal loss or crossing of signals. Just like insulation prevents wires next to each other from accidentally discharging each other. In addition, myelin increases the speed of conduction in the axon. Schwann cells are neuroglia cells that form the myelin sheath.
Detailed explanation-3: -Myelin and Your Nerves The myelin sheath wraps around the fibers that are the long threadlike part of a nerve cell. The sheath protects these fibers, known as axons, a lot like the insulation around an electrical wire. When the myelin sheath is healthy, nerve signals are sent and received quickly.