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32 Cards in this Set
- Front
- Back
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Anamnestic Response |
rapid increase in blood immunoglobins following a second exposure to an antigen; also called booster response or secondary response. |
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Antibody (Ab) |
protein that is induced by and reacts specifically with foreign substance (antigen);immunoglobin. |
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Antigen (Ag) |
foreign substance that induces an immune response by causing production of antibodies and/or sensitized lymphocytes that react specifically w/that substance;immunogen. |
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Autoimmune Disease |
disease caused when the immune response is directed at one's own tissues (self-antigens). |
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Seroconversion |
the appearance of antibody in the serum or plasma of an individual following exposure to an antigen. |
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Agglutination |
the clumping or aggregation of particulate antigens resulting from reaction with specific antibody. |
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Allergy |
a condition resulting from an exaggerated immune response;hypersensitivity. |
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B lymphocyte (B cell) |
the type of lymphocyte primarily responsible for the humoral immune response. |
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Cell-mediated immunity |
immunity provided by T lymphocytes and cytokines. |
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Complement |
a group of plasma proteins that can be activated in immune reactions, can cause cell lysis, and can help initiate the inflammatory response. |
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Cytokines |
any of various nonantibody proteins secreted by cells of the immune system and that help regulate the immune response;lymphokines. |
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dendritic cells |
cells in lymphoid tissues that form a network to trap foreign antigens. |
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enzyme immunoassay (EIA) |
an assay that uses an enzyme-labeled antibody as a reactant. |
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epitope |
the portion of an antigen that reacts specifically with an antibody;antigenic determinant. |
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humoral immunity |
immunity provided by B lymphocytes an antibodies. |
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immunocompetent |
capable of producing a normal immune response. |
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immunocompromised |
having reduced ability or inability to produce a normal immune response. |
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immunoglobulins (Ig) |
antibodies;proteins that are induced by and react specifically with antigens(immunogens). |
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immunology |
the branch of medicine encompassing the study of the immune processes and immunity. |
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immunosuppression |
suppression of the immune response by physical, chemical, or biological means. |
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inflammation |
a nonspecific protective response to tissue injury that is initiated primarily by the release of chemicals such as histamine and serotonin and by the actions of phagocytic cells. |
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lymphokines |
nonantibody proteins produced by lymphocytes in response to antigen stimulation and that play a role in regulating the immune response; cytokines. |
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macrophages |
long-lived phagocytic tissue cells that are derived from blood monocytes, function in destruction of foreign antigens, and serve as antigen-presenting cells. |
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monoclonal antibody |
antibody derived from a single cell line or clone. |
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plasma cell |
a differentiated B lymphocyte that produces antibodies. |
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polyclonal antibodies |
antibodies derived from more than one cell line. |
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precipitation |
formation of an insoluble antigen-antibody complex. |
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primary lymphoid organs |
organs in which B and T lymphocytes acquire their special characteristics; in humans, the bone marrow and thymus. |
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serology |
the study of antibodies and antigens in serum or plasma using immunological methods. |
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T lymphocyte (T cell) |
the type of lymphocyte responsible for the cell-mediated immune response. |
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thymus |
a gland located in the upper chest that is the primary lymphoid tissue in which lymphocytes mature and acquire T cell characteristics. |
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titer |
in serology, the reciprocal of the highest dilution that gives the desired reaction; the concentration of a substance determined by titration. |
