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Definition
| an individuals genetically predetermined resistance to certain diseases |
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Definition
| the ability of the body to specifically react to a microbial infection |
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Definition
| mature in the bone marrow, produce antibodies |
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Definition
| mature in the thymus, involved in cell-mediated immunity |
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Definition
| liquid portion of the blood |
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Definition
| liquid remaining after blood plasma is clotted |
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Definition
| the generic term for serium because it contains antibodies |
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Definition
| a chemical substance that causes the body to produce specific antibodies or sensitied T cells |
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Definition
| proteins formed against specific regions on antigens |
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Definition
| epitope, or antigenic determinants |
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Definition
| low-molecular-weigt substance that cannot cause the formation of antibodies unless combined with a carrier molecule |
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Term
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Definition
| contains 4 polypeptide chains and held together by di-sulfide bonds |
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Definition
| the stem region of an antibody |
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Definition
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Definition
| The constant part of all antibodies |
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Definition
| most pevalent, fix the complement system,enhance phagocytosis, cross the placenta, monomers and enter tissues |
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Term
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Definition
| consist of five monomers, agglutination and complement fixation, in blood, lymph and on B cells, first antibody in an infection |
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Definition
| monomer, dimmers that protect mucosal surfaces from invasion, prevalent in body fluids, in breast milk |
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Term
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Definition
| on B cells, in blood and lymph, monomers, initiate the immune response |
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Definition
| bind to mast cells and basophils (trigger release of histamine), involved in allergic reactions, monomers, lyse parasitic worms, |
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Term
| B cells differentiate into |
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Definition
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Definition
| strength of the bond between Ag and Ab |
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Definition
| Ab recognizes a specific epitope |
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Term
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Definition
| when an antibody binds to its specific epitopes on an antigen |
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Term
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Definition
| antibodies attach to microbes or toxins, inhibiting them from adherence |
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Term
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Definition
| results in cell lysis, cascade effect |
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Term
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Definition
| activate ells involved in cellular immunity |
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Term
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Definition
| activate B cells so they can make antibodies |
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Term
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Definition
| activated by endogenous antigens and MHC class I on a tarfget cells and transformed into CTL |
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Term
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Definition
| lyse or induce apoptosis in the target cell |
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Term
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Definition
| lyse virus-infected cells, tumor cells and parasites |
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Term
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Definition
| serve as communicators between leukocytes |
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Definition
| cause leukocytes to migrate to an infection |
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Term
| alpha and beta interferons |
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Definition
| protect neighboring cells from virus infection by going into the neighboring cell, causing them to make antiviral proteins that block replication of the virus in that cell. |
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Term
| tumor necrosis factor (TNF) |
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Definition
| promotes the inflammatory reaction |
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Definition
| the relative amount of antibody in serum |
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Term
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Definition
| response of the body to the first contact with an antigen, IgM then IgG |
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Definition
| the secondary response to an infection, with more and quicker release of antibodies |
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Definition
| brings in the pathogen in contact with the T and B cels |
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Term
| Naturally aquired active immunity |
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Definition
| immunity resulting from infection |
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Term
| Naturally acquired passive immunity |
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Definition
| antibodies transferred from a mother to a fetus or to a newborn in breast milk |
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Term
| artificially acquired active immunity |
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Definition
| immunity resulting from vaccination |
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Term
| artificially aquired passive immunity |
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Definition
| refers to the humoral antibodies acquired by injection |
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Definition
| on the plasma membranes of all nucleated cells |
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Term
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Definition
| on the plasma membrane on antigen presenting cells. |
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Term
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Definition
| ingests a microorganism, antigen is processed and comined with MHC class II and are displayed on the surface of the APC |
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Term
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Definition
| cytokines from APC cause Th cell to proliferate |
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Term
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Definition
| receptor on the surface of the Th cell binds to MHC-antigen complex; |
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