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Nerves as Information Pathways

Nerves as Information Pathways

Author: Nathan Lampson

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

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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.


A nerve is a bundle of axons of neurons.  


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.