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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



regional anesthesia  listen  (REE-juh-nul A-nes-THEE-zhuh)

  A temporary loss of feeling or awareness in a part of the body, such as an arm or a leg, caused by special drugs or other substances called anesthetics. The patient stays awake but has no feeling in the part of the body treated with the anesthetic.