Nearby Words
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 called nerve cell.
Compare synapse.
Origin:
1880–85; < Greek neûron sinew, cord, nerve
1880–85; < Greek neûron sinew, cord, nerve
Related forms
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Neuron
is always a great word to know.
So is stimuli. Does it mean:
| muscle controlled by one's own accord |
| agent that directly influences the activity of living protoplasm |
Example Sentences
- Given the right signals, it can become a brand new heart cell or neuron or insulin-producing cell.
- When a neuron fires, calcium ions flood through special cell channels.
- The single neuron seen here was grown on sensitive piezoelectric cantilever arrays.
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
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, © 2010 Douglas Harper
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American Heritage
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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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
neuron  (n r'ŏn') Pronunciation Key
(click for larger image in new window) A cell of the nervous system. Neurons typically consist of a cell body, which contains a nucleus and receives incoming nerve impulses, and an axon, which carries impulses away from the cell body. Also called nerve cell. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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