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[noo r-on, nyoo r-] /ˈnʊər ɒn, ˈnyʊər-/
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 of neuron
First recorded in 1880-85, neuron is from the Greek word neûron sinew, cord, nerve
Related forms
[noo r-uh-nl, nyoo r-, noo-rohn-l, nyoo-] /ˈnʊər ə nl, ˈnyʊər-, nʊˈroʊn l, nyʊ-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for neuron
Contemporary Examples
Historical Examples
  • The contact of the axon of one neuron with the dendrons of another is called a synapse.

    Psychotherapy James J. Walsh
  • These are transferred from neuron to neuron through the synapse.

    Psychotherapy James J. Walsh
  • That is not a loss of memory but a failure of neuron connections.

    Psychotherapy James J. Walsh
  • The word is derived from the Greek neuron nerve, and astheneia weakness.

    Why Worry? George Lincoln Walton, M.D.
  • neuron, nū′ron, n. the cerebro-spinal axis in its entirety: a nervure of an insect's wing.

  • Thus the nervous impulse passes from one neuron to the other at these points of contact.

    Being Well-Born Michael F. Guyer
  • It's merely a matter of altering the normal thresholds of the neuron memory-circuits.

    The Ego Machine Henry Kuttner
  • It presupposes an active interposition of the glia cells between the axon of one neuron and the dendrons of another.

    Psychotherapy James J. Walsh
Word Origin and History for neuron

"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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neuron in Medicine

neuron neu·ron (nur'ŏn', nyur'-) or neu·rone (-ōn')
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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neuron in Science

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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