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4 Cards in this Set
- Front
- Back
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functions
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contains lymphocytes to monitor blood for Ag presence
extramedullary hematopoiesis has macrophages for phagocytosis mechanical function-in strenuous exercise, spleen contracts and releases stored blood for rest of the body concentrates blood cells/platelets before releasing back into circulation |
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structure
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dense CT capsule w/ smooth muscle
trabeculae red pulp-contains splenic sinuses and cords (of Bilroth) white pulp-lymphatic tissue w/ nodules stroma-reticular fibers |
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splenic circulation
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1. splenic a
2. trabecular a 3. central a-enter white pulp (contain adventitia) 4. pulp arteries-enter red pulp 5. sheathed aa (wall single layer of endothelium) 6. terminal capillaries 7. splenic sinuses-spaces b/t endothelial cells to allow movement of blood cells and plasma in and out of sinuses 8. venules 9. splenic veins |
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cells of red pulp
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monocytes
macrophages plasma cells lymphocytes (recirculating) granular leukocytes erythrocytes |
