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neuron

[noo r-on, nyoo r-] /ˈnʊər ɒn, ˈnyʊər-/
noun
1.
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, neurone
[noo r-ohn, nyoo r-] /ˈnʊər oʊn, ˈnyʊər-/ (Show IPA)
.
Also called nerve cell.
Compare synapse.
Origin
1880-1885
1880-85; < Greek neûron sinew, cord, nerve
Related forms
neuronal
[noo r-uh-nl, nyoo r-, noo-rohn-l, nyoo-] /ˈnʊər ə nl, ˈnyʊər-, nʊˈroʊn l, nyʊ-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for neuronal
  • This represents a huge, unfrequent, reduction in neuronal connections.
  • This neuronal brain alteration persists for months after administration ceases.
Word Origin and History for neuronal

neuron

n.

"a nerve cell with appendages," 1891, from German Neuron, from Greek neuron (see neuro-). Used earlier (1884) for "the spinal cord and brain."

Online Etymology Dictionary, © 2010 Douglas Harper
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neuronal in Medicine

neuron neu·ron (nur'ŏn', nyur'-) 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.

neuronal neu·ro·nal (nur'ə-nəl, nyur'-, nu-rō'nəl, nyu-)
adj.
Relating to a neuron.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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neuronal in Science
neuron
  (nr'ŏn')   

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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