interneuron(redirected from Relay system)
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a neuron between the primary afferent neuron and the final motor neuron (motoneuron). Also any neuron whose processes lie entirely within a specific area, such as the olfactory lobe.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
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 (-no͝or′ə-nəl, -nyo͝or′-, -no͝o-rō′-, -nyo͝o-) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
interneuronA nerve that connects other nerves. An internuncial neuron.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005