reflex

reflex definition - medical

re·flex (rēˈflĕksˌ)

noun
  1. An involuntary physiological response to a stimulus.
  2. An unlearned or instinctive response to a stimulus.
  3. Something, such as light or heat, that is reflected.
adjective
  1. Being an involuntary action or response, such as a sneeze, blink, or hiccup.
  2. Bent, turned, or thrown back; reflected.
verb (rĭ-flĕksˈ)
  1. To cause to undergo a reflex process.
  2. To reflect.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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