English Dictionary

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reflex arc



  1. (physiology) the neural pathway over which impulses travel to produce a reflex action, consisting of at least one afferent (receptor) and one efferent (effector) neuron

Example Sentences Including 'reflex arc'

"It's most likely to be a local reflex arc involving the spinal cord.
New Scientist (2004)
When a reflex arc operates, nerve impulses are also sent from the spinal cord to the brain.
McCahill, T. A. Biology Basic Facts


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