Tolerance, immune
A state of unresponsiveness to a specific antigen (immune stimulus) or group of antigens to which a person is normally responsive. Immune tolerance can result from a number of causes, including: {{}}Prior contact with the same antigen in fetal life or the newborn period when the immune system was not yet mature; Prior contact with the antigen in extremely high or low doses; Exposure to radiation, chemotherapy drugs, or other agents that impair the immune system; Genetic diseases of the immune system; Acquired diseases of the immune system such as HIV/AIDS.

Medical dictionary. 2011.

Look at other dictionaries:

  • Immune tolerance — or immunological tolerance is the process by which the immune system does not attack an antigen.[1] It can be either natural or self tolerance , in which the body does not mount an immune response to self antigens, or induced tolerance , in which …   Wikipedia

  • Immune tolerance in pregnancy — or gestational/maternal immune tolerance is the absence of a maternal immune response against the fetus and placenta, which thus may be viewed as unusually successful allografts, since they genetically differ from the mother.[1] In the same way,… …   Wikipedia

  • Immune privilege — is a term used to describe certain sites in the body which are able to tolerate the introduction of antigen without eliciting an inflammatory immune response. Tissue grafts are normally recognised as foreign antigen by the body and attacked by… …   Wikipedia

  • immune tolerance — Tolerance Tol er*ance, n. [L. tolerantia: cf. F. tol[ e]rance.] 1. The power or capacity of enduring; the act of enduring; endurance. [1913 Webster] Diogenes, one frosty morning, came into the market place, shaking, to show his tolerance. Bacon.… …   The Collaborative International Dictionary of English

  • Immune complex — Diseases An immune complex is formed from the integral binding of an antibody to a soluble antigen. The bound antigen acting as a specific epitope, bound to an antibody is referred to as a singular immune complex. After an antigen antibody… …   Wikipedia

  • Tolerance — Tol er*ance, n. [L. tolerantia: cf. F. tol[ e]rance.] 1. The power or capacity of enduring; the act of enduring; endurance. [1913 Webster] Diogenes, one frosty morning, came into the market place, shaking, to show his tolerance. Bacon. [1913… …   The Collaborative International Dictionary of English

  • Tolerance of the mint — Tolerance Tol er*ance, n. [L. tolerantia: cf. F. tol[ e]rance.] 1. The power or capacity of enduring; the act of enduring; endurance. [1913 Webster] Diogenes, one frosty morning, came into the market place, shaking, to show his tolerance. Bacon.… …   The Collaborative International Dictionary of English

  • Tolerance (disambiguation) — Tolerance may refer to:* Tolerance, a virtue or value * Religious tolerance, tolerance toward different religions * Physiological tolerance, a resistance to the effects of a substance after repeated exposure * Drug tolerance, tolerance occurring… …   Wikipedia

  • Immune system — A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and… …   Wikipedia

  • Immune tolerance — A state of unresponsiveness to a specific antigen (immune stimulus) or group of antigens to which a person is normally responsive. Immune tolerance can result from a number of causes, including: {{}}Prior contact with the same antigen in fetal… …   Medical dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”