the nerve pathways followed by an impulse during a reflex.
Origin of reflex arc
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
physiol the neural pathway over which impulses travel to produce a reflex action, consisting of at least one afferent (receptor) and one efferent (effector) 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
The route followed by nerve impulses to produce a reflex act, from the periphery through the afferent nerve to the nervous system, and thence through the efferent nerve to the effector organ.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.