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Medical Dictionary


noun an·ti·no·ci·cep·tion \ˌant-i-ˌnō-si-ˈsep-shən, ˌan-ˌtī-\

Medical Definition of antinociception

  1. :  the action or process of blocking the detection of a painful or injurious stimulus by sensory neurons <Compared with systemic narcotic analgesia, intraspinal narcotic antinociception has a longer duration.—Dennis W. Coombs, The Journal of the American Medical Association, 4 Nov. 1983>

antinociceptive \-ˌnō-si-ˈsep-tiv\ play adjective <… the antinociceptive action of morphine and endogenous opiates apparently proceeds by opening of the same class of neuronal potassium channels blocked by apamin.—David Gurwitz, The Lancet, 23 Jan. 1999>

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a division or portion of a pool or whole

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