Definition of antigen Antigen
/æˈntʌʤʌn/ - [antujun] - an•ti•gen
We found 5 definitions of antigen from 5 different sources.
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What does antigen mean?
WordNet
NounPlural: antigens |
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| antigen - any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies) | ||
| substance the real physical matter of which a person or thing consists; "DNA is the substance of our genes" | ||
| immunology the branch of medical science that studies the body's immune system | ||
| immunizing agent, immunogen any substance or organism that provokes an immune response (produces immunity) when introduced into the body | ||
| agglutinogen any substance that acts as an antigen to cause agglutinin production | ||
| fetoprotein, foetoprotein any of several antigens that occur naturally in the fetus and sometimes in adults with cancer | ||
| anatoxin, toxoid a bacterial toxin that has been weakened until it is no longer toxic but is strong enough to induce the formation of antibodies and immunity to the specific disease caused by the toxin; "diphtheria toxoid" | ||
| antigenic determinant, epitope, determinant the site on the surface of an antigen molecule to which an antibody attaches itself | ||
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Wiktionary 
- antigen (Noun)
A substance that induces an immune response , usually foreign.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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antigen
Any substance that can stimulate the body to produce antibodies against it. Antigens include bacteria, viruses, pollen, and other foreign materials. (source AIDSinfo)
Wikipedia 
- When an antigen is introduced into the body it causes the production of antibodies. Antigens can include bacteria, cells of transplanted organs, and toxins.
Part of speech
🔤- antigen, noun, singular of antigens.
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