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8 dictionary results for: Neuron

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

neu·ron

[noor-on, nyoor-] Pronunciation Key

–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-] Pronunciation Key.

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-] Pronunciation Key, adjective

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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American Heritage Dictionary - Cite This Source - Share This

neu·ron (nŏŏr'ŏn', nyŏŏr'-) Pronunciation Key

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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.

[Greek, sinew, string, nerve; see (s)neəu- in Indo-European roots.]

neu'ro·nal (nŏŏr'ə-nəl, nyŏŏr'-, nŏŏ-rōn'l, nyŏŏ-), neu·ron'ic adj., neu'ro·nal·ly adv.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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Online Etymology Dictionary - Cite This Source - Share This
neuron

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

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WordNet - Cite This Source - Share This

neuron
noun
a cell that is specialized to conduct nerve impulses [syn: nerve cell]

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The American Heritage Science Dictionary - Cite This Source - Share This

neuron (n

r'ŏn') Pronunciation Key

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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.

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American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

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.