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neurone

 - 5 dictionary results

neu⋅ron

  [noor-on, nyoor-]
Use neurone in a Sentence
–noun
Cell Biology. a specialized, impulse-conducting cell that is the functional unit of the nervous system, consisting of the cell body and its processes, the axon and dendrites.
Also, especially British, neu⋅rone  [noor-ohn, nyoor-] .
Also called nerve cell.
Compare synapse.

Origin:
1880–85; < Gk neûron sinew, cord, nerve

Related forms:
neu⋅ron⋅al  [noor-uh-nl, nyoor-, noo-rohn-l, nyoo-] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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neu·rone   (nŏŏr'ōn', nyŏŏr'-)   
n.   Chiefly British
Variant of neuron.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

neuron 
"a nerve cell with appendages," 1891, from Ger. Neuron, from Gk. neuron (see neuro-). Used earlier (1884) for "the spinal cord and brain."
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: neu·ron
Pronunciation: 'n(y)ü-"rän, 'n(y)u(&)r-"än
Variant: also neu·rone /-"rOn, -"On/
Function:noun
: one of the cells that constitute nervous tissue, that have the property of transmitting and receiving nervous impulses, and that are composed of somewhat reddish or grayishprotoplasm with a large nucleus containing a conspicuous nucleolus, irregular cytoplasmic granules, and cytoplasmic processes which are highly differentiated frequently as multiple dendrites or usuallyas solitary axons and which conduct impulses toward and away from the nerve cell body —neu·ro·nal /'n(y)ur-&n-&l, n(y)u-'rOn-&l/ also neu·ron·ic /n(y)u-'rän-ik/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

neuron neu·ron (n&oobreve;r'ŏn', ny&oobreve;r'-) or neu·rone (-ōn')
n.
Any of the impulse-conducting cells that constitute the brain, spinal column, and nerves, consisting of a nucleated cell body with one or more dendrites and a single axon. Also called nerve cell, neurocyte.

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