לדלג לתוכן הראשי

noun

antigen

any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)

In a sentence

Six example sentences with antigen, each labelled with its topic.

  • A vaccine presents a harmless antigen so that defences learn to recognise the real pathogen years before meeting it.

    Medicine

  • Blood groups differ because of which antigen sits on the red cell surface, which is why transfusions must be matched.

    Science

  • Hard training weeks blunt the reaction to any new antigen, which is one reason athletes catch colds after a big race.

    Fitness

  • The rapid test strip carries antibodies that grab the viral antigen, and a colored line appears within fifteen minutes.

    Technology

  • Landsteiner's 1901 work on the antigen that defines blood groups turned transfusion from a gamble into a routine procedure.

    History

  • The startup's first product was a cheap antigen test for a cattle disease that farmers could read in the barn.

    Startups

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Found in these word lists

Found in 2 published word listsAuthoritative

Each source is a published word list that contains antigen. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.