Antigen Written by NCI Thesaurus v.07.09d   

Definition of Antigen Any substance, generally a protein, that stimulates the immune system and elicits an immune response. Recognition by the immune system elicits either a T-lymphocyte response, recognizing processed antigens, or a B-lymphocyte response, producing antibodies that bind to unprocessed antigens. Antigen is from the group Biological Agent Other Names for Antigen Antigen Antigens antigens Source NCI Thesaurus License

 

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