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cell-mediated immunity |
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immunity /im·mu·ni·ty/ (ĭ-mu´nĭ-te) the condition of being immune; the protection against infectious disease conferred either by the immune response generated by immunization or previous infection or by other nonimmunologic factors. acquired immunity that occurring as a result of prior exposure to an infectious agent or its antigens (active i.), or of passive transfer of antibody or immune lymphoid cells (passive i.) . active immunity see acquired i. artificial immunity acquired (active or passive) immunity produced by deliberate exposure to an antigen, as in vaccination. cell-mediated immunity (CMI), cellular immunity acquired immunity in which the role of T lymphocytes is predominant. genetic immunity innate i. herd immunity the resistance of a group to attack by a disease to which a large proportion of the members are immune. humoral immunity acquired immunity in which the role of circulating antibodies is predominant. inherent immunity , innate immunity that determined by the genetic constitution of the individual. maternal immunity humoral immunity passively transferred across the placenta from mother to fetus. natural immunity the resistance of the normal animal to infection. nonspecific immunity that which does not involve humoral or cell-mediated immunity, but includes lysozyme and interferon activity, etc. passive immunity see acquired i. specific immunity immunity against a particular disease or antigen.
cell-mediated immunity. See cellular immunity. cell-mediated effected by cellular rather than chemical elements. cell-mediated hypersensitivity see delayed hypersensitivity. cell-mediated immunity see cellular immunity. cell-mediated lympholysis assay a test of cell-mediated immunity in which activated cytoxic T lymphocytes cause lysis of 51Cr-labeled target cells. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The vaccine, combined with the Lancell treatment, activates strong, rapid T cell immunity and may also induce strong, rapid antibody protection that accelerates the vaccine's effectiveness. Individuals with chronic diseases or the aged, both conditions associated with weakened cell immunity, are at great risk to accelerated death from SARS. To overcome these virus specific strategies of disarming the bodies natural defense systems, he co-invented a wholly new therapeutic approach called dsRNA (nucleic acid or NA) to circumvent viral blockades and thereby re-induce broad-based cell immunity. |
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