Organ or Tissue Function
reflex Audio
re·flex [ ree-fleks ]
Subclass of:
Nervous System Physiological Phenomena; Neurologic Examination; Psychophysiology
Etymology:
Latin re = again + flectere = to bend
Definitions related to reflex action:
  • (reflex) An automatic instinctive unlearned reaction to a stimulus.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (reflex) An involuntary movement or exercise of function in a part, excited in response to a stimulus applied to the periphery and transmitted to the brain or spinal cord.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (reflex) Involuntary movement or exercise of function in a part, excited in response to a stimulus applied to the periphery and transmitted to the brain or spinal cord.
    CRISP Thesaurus
    National Institutes of Health, 2006
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.