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4 Cards in this Set

  • Front
  • Back
functions
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
structure
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
splenic circulation
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
cells of red pulp
monocytes
macrophages
plasma cells
lymphocytes (recirculating)
granular leukocytes
erythrocytes