• word of the day

    antigen

    antigen - Dictionary definition and meaning for word antigen

    Definition
    (noun) any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)
   Mnemonics (Memory Aids) for antigen

antigen = anti (opposite) + gen; opposite of gen is always upper caste i.e. upper most thing.

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