VS.

Antigen vs. Immunogen

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Antigennoun

(immunology) A substance that induces an immune response, usually foreign.

Immunogennoun

(immunology) Any substance that elicits a immune response; an antigen

Antigennoun

any substance (as a toxin or enzyme) that stimulates the production of antibodies

Immunogennoun

any substance that produces immunity when introduced into the body.

Antigennoun

a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.

Immunogennoun

any substance or organism that provokes an immune response (produces immunity) when introduced into the body

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Antigen

In immunology, an antigen (Ag) is a molecule or molecular structure, such as may be present on the outside of a pathogen, that can be bound by an antigen-specific antibody or B-cell antigen receptor. The presence of antigens in the body normally triggers an immune response.

Immunogen

An immunogen is an antigen or any substance that may be specifically bound by components of the immune system (antibody, lymphocytes). The term antigen arises from its ability to induce generation of antibodies.

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