the nerve pathways followed by an impulse during a reflex.
Origin
1880-85
British Dictionary definitions for reflex arc
reflex arc
noun
1.
(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
reflex arc in Medicine
reflex arcn. 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.