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Definition
| White blood cell with secretory granules in its cytoplasm, e.g., an eosinophil or a basophil |
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Definition
| Natural epithelial barrier and inflammation for innate resistance and protection |
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Definition
| Host defense peptides active against bacteria, fungi, viruses |
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Definition
| A lymphocyte of a type produced or processed by the thymus gland and actively participating in the immune response |
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Definition
| The small polypeptide subunit of an antibody. |
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Definition
| Short term immunity resulting from introduction of antibodies from another person or animal |
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Definition
| Composed of highly specialized cells (lymphocytes, macrophages, dendritic cells) |
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Definition
| Produced in the lung. Play a major role in the protection against respiratory tract infections by recognizing pathogenetic microorganisms. |
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Definition
| A blood protein produced in humoral immunity from B cells in response to a counteracting a specific antigen. Antibodies belong to classes (IgM, IgG, IgA, IgE, IgD) |
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Definition
| Constant region of the antibody. It is the part of the antibody that is recognized by the body to determine if it is IgG, IgM, etc. |
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Term
| Passive acquired immunity |
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Definition
| Does not involve host's immune system at all. Occurs when preformed antibodies are transferred from a donor to recipient. E.g passage of maternal IgG from placenta to fetus, or through exposure |
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Term
| Active acquired immnunity |
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Definition
| Immunity produced by the bodies immune system either after natural exposure or through immunization |
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Term
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Definition
| Part of acquired immunity. A form of small leukocyte (white blood cell) with a single round nucleus, occurring especially in the lymphatic system |
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Definition
| Small cationic peptides that possess broad-spectrum antimicrobial activity. These are gene-encoded 'natural antibiotics' |
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Term
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Definition
| A lymphocyte not processed by the thymus gland, rather matured in the bone marrow. Responsible for producing antibodies |
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Term
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Definition
| The large polypeptide subunit of an antibody |
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Term
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Definition
| The complement system helps or "complements" the ability of antibodies and phagocytic cells to clear pathogens from an organism |
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