forssman antigen

forssman antigen
noun
Usage: usually capitalized F
Etymology: after J. Forssman
: an antigenic constituent occurring in animals without regard to biologic relationship (as one present in guinea pigs and sheep but absent from rabbit and cattle) : a heterophile antigen

Useful english dictionary. 2012.

Look at other dictionaries:

  • Forssman antigen — a heterophile antigen that induces production of antisheep hemolysin, found in a variety of different animals, mainly in organs and not in erythrocytes (guinea pig, horse); sometimes it is found only in erythrocytes (sheep), and occasionally in… …   Medical dictionary

  • Forssman antigen — A glycolipid heterophil antigen present on tissue cells of many species. It was first described for sheep red cells, and is not present on human, rabbit, rat, porcine or bovine cells …   Dictionary of molecular biology

  • Forssman antibody — noun an antibody found in the blood of someone suffering from infectious mononucleosis • Syn: ↑heterophil antibody, ↑heterophile antibody • Hypernyms: ↑antibody * * * ˈfȯrsmən noun Usage: usually capitalized F Etymology …   Useful english dictionary

  • Forssman antibody — heterophile antibody directed against the Forssman antigen …   Medical dictionary

  • Forssman antibody antigen — Forss·man antibody, antigen (forsґmən) [John Forssman, Swedish pathologist, 1868–1947] see under antibody and antigen …   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

  • Forssman — John, Swedish bacteriologist and pathologist, 1868–1947. See F. antibody, F. antigen, F. reaction, F. antigen antibody reaction. Hans, Swedish physician, *1912. See Börjeson F. Lehmann syndrome …   Medical dictionary

  • heterophil antigen — heterophile antigen any of a group of cross reacting antigens occurring in several species and having a species distribution that does not correspond to phylogenetic relationships, such as the Forssman antigen. Called also heterogenetic a …   Medical dictionary

  • reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… …   Medical dictionary

  • hapten — A molecule that is incapable, alone, of causing the production of antibodies but can, however, combine with a larger antigenic molecule called a carrier. A h. carrier complex can stimulate production of antibodies, some of which combine with the… …   Medical dictionary

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