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5 Cards in this Set
- Front
- Back
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Lymphatics |
The network of lymphatic vessels, filled with lymph, which start in peripheral tissues and end at connections to veins. Lymphatics begin as lymphatic capillaries, and contain valves. |
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Functions of the lymphatic system |
1. Produce, maintain, distribute lymphocytes 2. Maintains blood levels- sends peripheral fluids back to veins. 3. Eliminate local variations in interstitial fluid concentration. 4. transport lipids |
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2 main ducts where lymph empties into venous system |
1. thoracic duct 2. right lymphatic duct -both empty into right subclavian vein |
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important lymphoid organs |
1. lymph nodes 2. thymus 3. spleen *located in ares that are vulnerable to pathogens |
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the spleen |
Major function- filters blood; initiates B and T cell responses to antigens in blood. White pulp- resembles lymphoid nodules. Removes antigens, initiates immune response. Red pulp- contains RBCs, recycles old RBCs, stores iron from recycled RBCs. |
