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[in-ter-noo r-on, -nyoo r-] /ˌɪn tərˈnʊər ɒn, -ˈnyʊər-/
noun, Cell Biology.
any neuron having its cell body, axon, and dendrites entirely within the central nervous system, especially one that conveys impulses between a motor neuron and a sensory neuron.
Origin of interneuron
First recorded in 1935-40; inter- + neuron
Related forms
[in-ter-noo r-uh-nl, -nyoo r-, -noo-rohn-l, -nyoo-] /ˌɪn tərˈnʊər ə nl, -ˈnyʊər-, -nʊˈroʊn l, -nyʊ-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for interneuron


(physiol) any neuron that connects afferent and efferent neurons in a reflex arc Also called internuncial neuron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for interneuron

1939, from internuncial + neuron.

Online Etymology Dictionary, © 2010 Douglas Harper
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interneuron in Medicine

interneuron in·ter·neu·ron (ĭn'tər-nur'ŏn', -nyur'-)
A nerve cell found entirely within the central nervous system that acts as a link between sensory neurons and motor neurons.

in'ter·neu'ro·nal (-nur'ə-nəl, -nyur'-, -nu-rō'-, -nyu-) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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