Nerves as Information Pathways

Nerves as Information Pathways

Author: Aaron Mullally

This lesson will explain a reflex as the most simple nerve pathway as well as breifly describe the structure of a nerve.

See More
Try a College Course Free

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

Begin Free Trial
No credit card required

27 Sophia partners guarantee credit transfer.

245 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 21 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


Nerve Pathway Overview

Source: Neuron; Creative Commons: http://bit.ly/QBBVxK Myelinated neuron, Creative Commons: http://bit.ly/SHBxcS; Reflex arc image, Creative Commons: http://bit.ly/Uyr9dd

Terms to Know
  • Myelin Sheath

    An insulating layer that surrounds axons neurons in the CNS and PNS and allows action potentials to propagate more quickly.

  • Nerve

    A nerve is a bundle of axons of neurons.  

  • Reflex

    An automatic movement of the body that occurs as a response to stimuli.

  • Schwann Cells

    The glial cells that compose the myelin sheath in the peripheral nervous system.