Antigen: a foreign substance which, when introduced into the body, stimulates the production of an antibody.
Antigen, substance that is capable of stimulating an immune response, specifically activating lymphocytes, which are the body's infection-fighting white blood cells. In general, two main divisions of antigens are recognized: foreign antigens (or heteroantigens) and autoantigens (or self-antigens).
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Answer:
ANTIGEN
Explanation:
Antigen: a foreign substance which, when introduced into the body, stimulates the production of an antibody.
Antigen, substance that is capable of stimulating an immune response, specifically activating lymphocytes, which are the body's infection-fighting white blood cells. In general, two main divisions of antigens are recognized: foreign antigens (or heteroantigens) and autoantigens (or self-antigens).