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Unformatted text preview: activated. 13. Helper T cell Lymphocyte that activates antibody secretion in B cells and cytotoxic T cells. 14. Immunization Vaccination; develops active immunity. 15. Interferon Antiviral protein secreted by virus-infected cells. 16. Lymphocyte White blood cell involved in specific immunity; a B cell or a T cell. 17. Memory cell Long-lived lymphocyte produced during exposure to an antigen during the primary immune response; can function in future immune response to the same antigen. 37.3 18. Allergy Overactive immune response to environment antigens. 19. Anaphylactic shock Severe hypersensitivity to a specific antigen, causing a massive histamine release. 20. Degenerative disease Noninfectious disease, such arthritis, that results from part of the body wearing off. 21. Metabolic disease Disease, such as type 1 diabetes, that results from an error in a biochemical pathway....
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- Spring '09