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Definition
| substances produced by a microorganism, in small ammounts, will kill or inhabit growth and reproduction of other microorganisms |
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Definition
| disease that is constantly present in population |
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| occurs when many people in a given area are afflicted with the same disease at about the same time |
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Definition
| any disease caused by pathogens in the body |
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Definition
| experimental steps relating a specific pathogen to a specific disease |
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Definition
| disease-producing agents such as bacteria, protozoans, fungi, viruses, and other parasites |
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Definition
| gradual build-up of resistance to a specific pathogen over time |
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Definition
| a lymphocyte that, when activated by a T cell, becomes a plasma cell and produces antibodies |
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Definition
| body-s earliest lines of defense against any and all pathogens |
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Definition
| host-cell specific proteins that protect cells from viruses |
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| tissue fluid composed of water and disolved substances from the blood that have collected and entered the lymph vessels |
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Definition
| small mass of tissue that contains lymphocytes and filters pathogens from the lymph |
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Definition
| type of white blood cell stored in lymph nodes that defends the body against foreign agents |
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Definition
| type of pathogen that engulfs damaged cells of pathogens that have entered the body's tissue |
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Definition
| white-blood cells that destroy pathogens by surrounding and engulfing them |
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Definition
| collection of dead macrophages and body fluids that forms infected tissues |
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Definition
| lymphocyte produced in bone marrow and processed in the thymus that plays a role in immunity |
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Term
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Definition
| fluid that bathes the cells of the body |
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Term
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Definition
| substance consisting of weakened, dead, or incomplete portions of pathogens or antigens that produce an immune response when injected in the body |
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