immunogen

biology

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In antigen
…the antigen directly—is called an immunogen.
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In immune system: Antigens
…such a response are called immunogens. Thus, it can be said that all immunogens are antigens, but not all antigens are immunogens. For example, a simple chemical group that can combine with a lymphocyte receptor (i.e., is an antigen) but does not induce an immune response (i.e., is not an…
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