n.
A nerve cell found entirely within the central nervous system that acts as a link between sensory neurons and motor neurons.
interneuronal in'ter·neu'ro·nal (-nʊr'ə-nəl, -nyʊr'-, -nʊ-rō'-, -nyʊ-) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.