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nerve impulse

noun, Physiology.
a progressive wave of electric and chemical activity along a nerve fiber that stimulates or inhibits the action of a muscle, gland, or other nerve cell.
Origin of nerve impulse
1895-1900 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for nerve-impulse
Historical Examples
  • The nerve-impulse thus aroused is conveyed to the brain, and there translated into sound.

    Spirit and Music H. Ernest Hunt
  • It was said in the preceding chapter that when a muscle contracts, it must first receive a nerve-impulse.

    The Science of Human Nature William Henry Pyle
  • Now, anything which starts this nerve-impulse is called the stimulus.

    The Science of Human Nature William Henry Pyle
  • In human action it is evident that there is always a stimulus to start the nerve-impulse which causes the action.

    The Science of Human Nature William Henry Pyle
  • The nerve-impulse passing into the fibers of the muscles causes them to contract.

    The Science of Human Nature William Henry Pyle
British Dictionary definitions for nerve-impulse

nerve impulse

the electrical wave transmitted along a nerve fibre, usually following stimulation of the nerve-cell body See also action potential
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for nerve-impulse

a signal transmitted along a nerve fiber, starting with stimulation and then a wave of progressive alteration of electricity and becoming a record of sensation or instruction to act's 21st Century Lexicon
Copyright © 2003-2014, LLC
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nerve-impulse in Medicine

nerve impulse n.
A wave of physical and chemical excitation that moves along a nerve fiber in response to a stimulus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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