self-antigen


self-antigen
/self"an"ti jeuhn, -jen'/, n. Immunol.
autoantigen.
Also, self antigen.
[1970-75]

Useful english dictionary. 2012.

Look at other dictionaries:

  • self-antigen — /self an ti jeuhn, jen /, n. Immunol. autoantigen. Also, self antigen. [1970 75] * * * …   Universalium

  • self-antigen — self an·ti·gen ant i jən n any molecule or chemical group of an organism which acts as an antigen in inducing antibody formation in another organism but to which the healthy immune system of the parent organism is tolerant * * * autoantigen …   Medical dictionary

  • Antigen presentation — is a process in the body s immune system by which macrophages, dendritic cells and other cell types capture antigens and then enable their recognition by T cells. NOTOC The basis of adaptive immunity lies in the capacity of immune cells to… …   Wikipedia

  • Antigen processing — is a biological process that prepares antigens for presentation to special cells of the immune system called T lymphocytes. This process involves two distinct pathways for processing of antigens from an organism s own (self) proteins or… …   Wikipedia

  • Antigen — Each antibody binds to a specific antigen; an interaction similar to a lock and key. An antigen is a foreign molecule that, when introduced into the body, triggers the production of an antibody by the immune system. The immune system will then… …   Wikipedia

  • self tolerance — immunologic unresponsiveness to autoantigens (self antigens), acquired during fetal life by a process of “self recognition.” Theories of tolerance induction include deletion of antigen responsive clones of B cells, antigen induced… …   Medical dictionary

  • antigen presentation — the ingesting and partial digestion of antigens by macrophages, which then present the processed antigen on their surfaces to B and T lymphocytes. (See antigen presenting cells, under cell.) The presented antigen is more immunogenic than… …   Medical dictionary

  • antigen — Any substance that, as a result of coming in contact with appropriate cells, induces a state of sensitivity and/or immune responsiveness after a latent period (days to weeks) and that reacts in a demonstrable way with antibodies and/or immune… …   Medical dictionary

  • nonself-antigen — /non self an ti jeuhn, jen /, n. Immunol. any of the antigens present in an individual that originate outside the body (contrasted with self antigen). Also, nonself antigen. * * * …   Universalium

  • nonself-antigen — /non self an ti jeuhn, jen /, n. Immunol. any of the antigens present in an individual that originate outside the body (contrasted with self antigen). Also, nonself antigen …   Useful english dictionary