Lymphatic and Immune System
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each of the black spaces below before clicking
on it to display the answer.
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| active immunity | immunity that results when the body manufactures its own antibodies or T cells against a pathogen
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| allergen | environmental substance that triggers an allergic response
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| anaphylaxis | severe, immediate hypersensitivity reaction affecting the entire body
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| antibody | substance produced by the B lymphocytes in response to a specific antigen
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| antigen | any molecule that triggers an immune response
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| cellular immunity | immune response that targets foreign cells or host cells that have become infected with a pathogen
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| chemotaxis | the movement of white blood cells to an area of inflammation in response to the release of chemicals from the injured cells
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| complement | a group of proteins in the blood that, through a cascade of chemical reactions, participate in nonspecific immunity
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| histamine | substance secreted by injured or irritated cells that produces local vasodilation, among other effects
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| humoral immunity | immune response that uses antibodies to target pathogens outside the host cells
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| hyperemia | increased blood flow to an area
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| immunoglobulins | antibodies
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| inflammation | an immunological response to injury, infection, or allergy, marked by increases in regional blood flow, immigration of white blood cells, and release of chemical toxins
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| interferon | protein released from virus-infected cells that helps protect nearby cells form invasion
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| lymph | clear, colorless fluid filling lymphatic capillaries
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| lymph nodes | kidney shaped masses of lymphatic tissue that lie alone the lymphatic vessels
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| macrophages | important phagocyte that remains fixed in strategic areas
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| natural killer cells | unique group of lymphocytes that continually roam the body seeking out pathogens or diseased cells
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| neutrophils | phagocytes that accumulate rapidly at sites of acute injury
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| nonspecific immunity | first and second line of defense, immune response aimed at a broad range of pathogens
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| passive immunity | immunity that results when someone receives antibodies form another person or animal
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| phagocytosis | process by which phagocytes engulf and destroy microorganisms
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| pyrexia | fever
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| specific immunity | the third line of defense; immune response targeted at a specific pathogen
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| spleen | the body's largest lymphatic organ; contains masses of lymphocytes
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| T lymphocytes | lymphocytes that participate in both cellular and humoral immunity; also called T cells
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| thymus gland | lymphoid organ where T cells mature; located in the mediastinal cavity
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| tonsils | masses of lymphoid tissue that form a protective circle at the back of the throat
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Created by:
lindstromjPN110
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