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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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Experts tend to agree that there is a hiccup reflex arc, or circuit, that includes the vagus and phrenic nerves.

From New York Times

The reflex arc concept in psychology, Dewey says, recognizes that the sensory-motor arc is to be taken as the unit of nerve structure, and the type of nerve function.

From Project Gutenberg

In other words, the reaction of reflex arcs is controllable by the mechanism to whose activity consciousness is adjunct.

From Project Gutenberg

That is, the reflex arc is built up by agencies that are quite independent of the subsequent act.

From Project Gutenberg

The reflex arc can now be described more precisely than before.

From Project Gutenberg