cell mediated immunity
Immune response that involves effector T-lymphocytes and not the production of humoral antibody. Responsible for allograft rejection, delayed hypersensitivity and in defence against viral infection and intracellular protozoan parasites.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • Cell-mediated immunity — is an immune response that does not involve antibodies or complement but rather involves the activation of macrophages, natural killer cells (NK), antigen specific cytotoxic T lymphocytes, and the release of various cytokines in response to an… …   Wikipedia

  • cell-mediated immunity — /sel mee dee ay tid/, Immunol. immunity independent of antibody but dependent on the recognition of antigen by T cells and their subsequent destruction of cells bearing the antigen or on the secretion by T cells of lymphokines that enhance the… …   Useful english dictionary

  • cell-mediated immunity — cell′ me diated immu′nity n. imu immunity conferred to an individual through the activity of T cells, involving the direct destruction of viruses, foreign particles, etc Compare antibody mediated immunity • Etymology: 1970–75 …   From formal English to slang

  • cell-mediated immunity — /sel mee dee ay tid/, Immunol. immunity independent of antibody but dependent on the recognition of antigen by T cells and their subsequent destruction of cells bearing the antigen or on the secretion by T cells of lymphokines that enhance the… …   Universalium

  • cell-mediated immunity — noun Immunity as a result of a cell mediated immune response …   Wiktionary

  • cell-mediated immunity — (CMI), cellular immunity immunity mediated by T lymphocytes either through release of lymphokines or through exertion of direct cytotoxicity, transmissible by transfer of lymphocytes but not serum; it includes type IV hypersensitivity reactions,… …   Medical dictionary

  • cell-mediated immunity — The type of immunity that results from T cells coming into close contact with foreign cells or infected cells to destroy them; it can be transferred to a nonimmune individual by the transfer of cells …   Dictionary of microbiology

  • cell-mediated immunity — (Medicine) cellular immunity activated by T lymphocytes (rather than antibodies), CMI …   English contemporary dictionary

  • cell-mediated — cell me·di·at·ed sel .mēd ē .āt əd adj relating to or being the part of immunity or the immune response that is mediated primarily by T cells and esp. cytotoxic T cells rather than by antibodies secreted by B cells <cell mediated immunity>… …   Medical dictionary

  • cell-mediated — adjective : relating to or being the part of immunity or the immune response that is mediated primarily by T cells and especially cytotoxic T cells rather than by antibodies secreted by B cells cell mediated immunity cell mediated reactions… …   Useful english dictionary

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