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Unformatted text preview: * T cells- attack viruses, fungi, transplanted tissue, and cancer cells * Monocytes- most important phagocytic cell. Called macrophage when enter the tissue. Emigration (Diapedesis)- the movement of cells out of the vascular system into the tissue White Blood Cells Major histocompatibility antigen- identification proteins on the cell surface of white cells and tissue cells. Differential white blood cells count- a count of the number of kinds of white cells in a sample of 100 white cells. WBC Life Span * most live only a few days as compared to the 120 days of the red cell * some B and T cells live for years Leukocytosis- increase in the number of white cells. Leukopenia- decrease in the number of white cells....
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- Fall '10