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reflex arc

American  

noun

Physiology.
  1. the nerve pathways followed by an impulse during a reflex.


reflex arc British  

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

"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

Etymology

Origin of reflex arc

First recorded in 1880–85