Term
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Definition
| Intestinal cells located over Peyer's patches that take up antigens from the intestinal tract and allow their transfer to the lymphocytes of the immune system (which are located just under the Peyer's patches). |
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Term
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Definition
| Activates cells related to cell-mediated immunity: macrophages, TC cells, and NK cells |
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Term
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Definition
| Stimulates production of eosinophils, IgM and IgE. |
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Term
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Definition
| T cytotoxic cells. Differentiate in to CTL after activation. |
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Term
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Definition
| Destroys target cells on contact; generated from T cytotoxic (TC) cell. |
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Term
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Definition
| Regulates immune response and helps maintain tolerance. |
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Term
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Definition
| Attacks and destroys target cells; participates in antibody-dependent cell-mediated cytotoxicity. |
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Term
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Definition
| Enhanced phagocytic activity; attacks cancer cells |
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Term
| What are the 4 types of adaptive immunity? |
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Definition
| Naturally acquired active immunity, naturally acquired passive immunity, artificially acquired active immunity, artificially acquired passive immunity |
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Term
| Naturally acquired active immunity |
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Definition
| Antigens enter body naturally; body induces antibodies and specialized lymphocytes. |
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Term
| Naturally acquired passive immunity |
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Definition
| Antibodies pass from mother to fetus via placenta or to infant via the mother's milk |
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Term
| Artificially acquired active immunity |
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Definition
| Antigens are introduces in vaccines; body produces antibodies and specialized lymphocytes |
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Term
| Artificially acquired passive immunity |
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Definition
| Preformed antibodies in immune serum are introduced by injection |
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Term
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Definition
| Chemical msgrs that allow cells of the immune system to communicate with eachother |
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Term
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Definition
| Cytokines that serve as communicators between leukocytes. |
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Term
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Definition
| Cause leukocytes to migrate to an infection |
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Term
| Alpha interferon and IFN-Beta |
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Definition
| Protect cells against viruses |
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Term
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Definition
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Term
| Tumor Necrosis Factor (TNF) |
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Definition
| Promotes the inflammatory response |
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Term
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Definition
| Promote development of WBC's |
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Term
| The type of protection provided by the injection of diptheria toxoid |
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Definition
| Artificially acquired active immunity |
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Term
| The type of protection provided by the injection of antirabies serum |
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Definition
| Artificially acquired passive immunity |
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Term
| The type of protection resulting from recovery from an infection |
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Definition
| Naturally acquired active immunity |
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Term
| A newborn's immunity to yellow fever |
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Definition
| Naturally acquired passive immunity |
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Term
| Antigen-presenting cells (APC) |
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Definition
| Include B cells, dendritic cells and macrophages that carry antigens to lymphoid tissues where T cells that recognize the antigen are located. |
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