WordReference Random House Unabridged Dictionary of American English © 2026
re′flex arc′, [Physiol.]
  1. Physiologythe nerve pathways followed by an impulse during a reflex.
  • 1880–85

Collins Concise English Dictionary © HarperCollins Publishers::
reflex arc n
  1. 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' also found in these entries (note: many are not synonyms or translations):
reflex

Forum discussions with the word(s) "reflex arc" in the title:


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