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Lower Motor Neuron


Updated March 09, 2009

Definition: Lower motor neuron is a term that refers to the nerves that connect from the spinal cord out to the muscles. The lower motor neurons relay the movement instructions provided by the upper motor neurons, to the muscles. When the lower motor neurons are damaged the result is muscle weakness, twitching and atrophy.

Upper Motor Neuron. Wikipedia, the free encyclopedia. Page last modified December 31, 2005. Retrieved on January 22, 2006 from: http://en.wikipedia.org/wiki/Upper_motor_neuron

Glossary ALS Therapy Development Foundation Retrieved January 22, 2006 from: http://www.als.net/als101/glossary.asp

Date Created: January 22, 2006.
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