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antigens

Cultural  
  1. Substances that are foreign to the body and cause the production of antibodies. Toxins, invading bacteria and viruses, and the cells of transplanted organs can all function as antigens.


Example Sentences

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The team analyzed antibody reactions to approximately 357,000 antigens associated with bacteria, viruses, food, and the immune system itself.

From Science Daily ● Oct. 24, 2026

But in patients with unusual antibodies or rare blood types, matching some of these lesser-known antigens can become crucial.

From Science Daily ● Sep. 19, 2026

The fever persists despite the fact there’s no antigens left to fight.

From Salon ● Sep. 11, 2026

They say vaccines today are more precise and stimulate the immune system with fewer antigens than vaccines in the past while protecting against more diseases.

From The Wall Street Journal ● Aug. 10, 2026

Among the slipperiest of all is AIDS, which evolves new antigens even as it sits within an individual patient, thereby eventually overwhelming his or her immune system.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

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