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| network of vessels that transport body fluids and the cells and chemicals in those vessels and the organs and glands that produce them |
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| carry away excessive fluid from interstitial spaces; semilunar valves on teh inside; pass lymph nodes and merge to form lymphatic trunks |
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| trasnport fat to the circulatory system |
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| lymphatic capillaries that merge to form larger vessels the empty into the circulatory system |
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| tiny, closed ended tubes that extend into interstitial spaces |
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| drain lymph from the body; and join collecting ducts |
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| lymphatic vessels-->lymph nodes-->lymphatic trunk-->collecting ducts (thoracic or right lymphatic)-->left/right subclavian vein (respectively |
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| water and dissolved substances that leave blood capillaries by filtration and diffusion |
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| increases in tissues when smaller proteisn leak from capillaries into tissues and not returned to bloodstream during filtration |
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| hydrostatic presure of tissue fluid drives lymph into lymphatic capillaries; forces that move blood in veins (skeletal muscle contraction, breathing movements, contraction of smooth muscles in the walls of the lymph trunk)propel lymph through lymphatic vessels |
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| interferes with the flow of lymph; could happen during surgery when lymphatic vessels or tissues being removed |
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| aggregated in chains along hte larger lymphatic vessels; filter potentially harmful particles from lymph; centers of production for lymphocytes |
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| located in the interior to the aorta; divided into lobules; lymphocytes leave thymus and protect immunity |
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| posterior lateral to stomach; splenic lobules are filled with blood; contains macrophages which filter blood |
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| innate defense such as skin, mucous and hair; tears, sweat etc. wash away |
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| enzymes kill pathogens; interferons block proliferationa dn stifle tumor growth |
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| secrete perforins that destroy cancer cells |
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| attracts white blood cells adn tissues form a sac to prevent spread of pathogens |
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| monocytes give rise to macrophages; line blood vessels |
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| decrease blood-iron level and increase phagocytic activity |
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