Lymphatic System and Immunity Vocab Antibody mediated Immunity activity of B cells that produce antibodies to attack foreign bodies Cell mediated Immunity immune response that involves the activation of phagocytes NK cells Clonal selection the immune system responds to infection with specific B and T lymphocytes T lymphocytes no antibodies based on receptors Constant regions the amino acid sequence in an antibody that determines its classification Differentiate specialization of a cell by changing form and function Effector Cell the muscle gland or organ cell capable of responding to a stimulus Epitope parts of the antigen recognized by the immune system antibodies Granzymes cytoplasmic granule vesicles released by NK and T cells to kill virus infected cells Hapten small molecule that can elicit an immune response when attached to a carrier IgA antibody that is created in the mucous linings into intestine for protection against microbes IgD antibody isotope in immature B lymphocytes IgE dimeric antibody for immunity to parasites IgG most abundant antibody isotope to control infection of tissues IgM largest antibody produced by B cells that is first responder to antigens Immunocompetence ability to produce an appropriate immune response from exposure to an antigen Immunogenicity the ability of a substance to produce an immune response Interferons proteins released in response to pathogens that allow intercellular communication Lacteals lymphatic capillaries that absorb fats in the villi of the small intestine Memory Cells cells formed following exposure to an infection to detect infection in future faster MHC Major histocompatibility complex cell surface molecules that determine organ Perforin protein in granules of T lymphocytes and NK cells that enters target cell leaving pore in Plasma Cells antibody producing cells mostly in lymph nodes Primary Response immune response during first exposure to foreign material in the body compatibility for transplants membrane Proliferate reproduces rapidly Reactivity working to fight infection Lymphatic System and Immunity Vocab Secondary Response immune response from secondary exposure may be with memory cells and faster terminated Variable Regions region on immunoglobin molecule that shows specificities binds to antigens
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