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Question

What are the types of nerve fibers of PNS?


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Solution

Nerve fibers:

  1. A long, slender projection from the nerve cells is called a nerve fiber or axon.
  2. Axon is responsible for conducting electrical impulses called action potential away from the nerve cell body.

Types of nerve fibers found in PNS:

  1. Efferent nerve-fibers: The nerve fibers which carry electrical impulses away from the central nervous system are called efferent nerve fibers or motor fibers.
  2. Afferent nerve fibers: The nerve fibers which carry electrical impulses toward the central nervous system are called afferent nerve fibers.

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