Term
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Definition
| Tissue rejection that develops several weeks after transplantation |
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Term
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Definition
| Transplants between genetically different individuals but from the same species |
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Term
| Antibodies (immunoglobulins - Ig) |
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Definition
| Produced by B lymphocytes in response to a specific antigen challenge |
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Term
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Definition
| Quantity of serum antibody required to react with a specific antigen |
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Term
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Definition
| Agents that cause activation of the immune system |
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Term
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Definition
| Tissues transplanted from one site of an individual to another site in the same individual |
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Term
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Definition
| Disorder that occurs when the immune system does not distinguish between self-antigens and non-self-antigens |
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Term
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Definition
| Cell type that produces specific antibodies, regulates the antibody-mediated immune response, and develops into plasma cells and/or memory cells |
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Term
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Definition
| White blood cells involved in the inflammatory response, usually associated with an allergic reaction |
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Term
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Definition
| Tissue rejection that occurs after months or years, involving gradual degeneration of the blood vessels |
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Term
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Definition
| Cascade of protein reactions activated by the immune response to destroy the antigen |
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Term
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Definition
| Enzyme-linked immunosorbent assay; a diagnostic test |
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Term
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Definition
| A white blood cell usually associated with an allergic reaction or parasitic infection |
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Term
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Definition
| Serum protein antibodies produced by B lymphocytes |
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Term
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Definition
| Tissue rejection that occurs immediately after transplantation |
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Term
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Definition
| The body's ability to respond and defend against foreign substances |
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Term
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Definition
| Techniques applied to reduce the host's immune response and prevent rejection |
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Term
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Definition
| Transplants between identical genetic entities such as identical twins |
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Term
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Definition
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Term
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Definition
| Mononuclear, nonphagocytic leukocytes found in the blood, lymph, and lymphoid tissue. Lymphocytes are immunologically competent |
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Term
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Definition
| A differentiated phagocytic monocyte that has migrated into the tissue |
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Term
| Major histocompatibility complex |
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Definition
| Group of genes coded for production of self antigens |
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Term
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Definition
| Specialized lymphocytes that "remember" an antigen after first exposure |
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Term
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Definition
| Agranulocytes and large circulating phagocytotic cells that develop into macrophages when leaving the blood vessels |
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Term
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Definition
| Leukocytes that are the most abundant actively motile phagocyte |
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Term
| Opportunistic microorganisms |
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Definition
| Normally harmless organisms that can become pathogenic under the right conditions, such as lack of microbial competition |
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Term
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Definition
| Type of immunodeficiency that occurs when there is an abnormality of the immune system caused by a genetic defect |
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Term
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Definition
| Preventive; used as a protective measure |
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Term
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Definition
| Immunodeficiencies that arise when damage is caused by an environmental factor such as infection, radiation, chemotherapy, or burns |
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Term
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Definition
| A systemic reaction that occurs when immune complexes are present in many tissues |
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Term
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Definition
| A specialized lymphocyte that is responsible for cellular immunity |
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Term
| Type I allergic reactions |
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Definition
| Reactions caused by an allergen that is an antigen that stimultes the production of IgE's |
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Term
| Type II allergic reactions |
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Definition
| Reactions in which the antigen (either a normal body antigen or a foreign antigen) is present on the cell membrane |
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Term
| Type III allergic reactions |
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Definition
| Reactions in which an antigen binds with an antibody and forms a complex, which results in the activation of a complement system |
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Term
| Type IV allergic reactions |
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Definition
| Delayed responses caused by sensitized T lymphocytes to a specific antigen |
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Term
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Definition
| Transplants between different species such as pigs and humans |
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