How do Schwann cells speed nerve impulses?


How do Schwann cells speed nerve impulses?

What Are Schwann Cells:

Schwann cells are glial cells that support neurons in the peripheral nervous system. Schwann cells help speed up the conduction of nerve impulses in the peripheral nervous system. This is why we can think about moving our feet and complete the action almost simultaneously. The Schwann cells speed up the nerve impulse so much our actions almost appear seamless.

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Schwann cells speed up nerve impulses by secreting a fatty substance called myelin around the axon of peripheral nerves. The myelin coats the axon in...

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Nodes of Ranvier: Function and Definition


Chapter 11 / Lesson 29

Understand what the Nodes of Ranvier and their functions are. Explore the structures of the Nodes of Ranvier, together with the other parts of the neuron.

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