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16 Cards in this Set
- Front
- Back
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Active Immunity
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A resistance to pathogen or antigen because of memory cells
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Antibody
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a large Y shaped protein that recognizes and binds to antigens
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B Cells
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lymphocytes that displays the antigens on its surface for a tcell to recognize
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Cell meditated immunity
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leads to the destruction of cells that are infected with viruses
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Dendritic Cell
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immune cells that display antigens
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Humoral Immunity
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involves mainly B cells and takes plane in blood and lymph
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Immunization
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the deliberate exposure of a pathogen to produce memory cells
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Lymphatic system
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houses leukocytes called lymphocytes
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Lymph node
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small structures that filter out pathogens
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Memory Cells
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long-living plasma cells
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MHC I
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proteins on the surface of all cells and if infected can mark it for destruction by a cytotoxic T cells
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Passive Immunity
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results when antibodies are transferred to a person who had never been exposed to the pathogen
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Plasma Cells
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activated B cells secrete anti bodies
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MHC II
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proteins on the surface of B cells, dendritic cells, and macrophages for displaying the antigen
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Helper T Cell
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"managers" of the immune response that activate B cells and T cells
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Cytotoxic T Cells
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lymphocyte that destroys virus - infected cells and some cancer cells
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