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22 Cards in this Set
- Front
- Back
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The cells of the myeloid system arise from ____
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central marrow cavity
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Constituents of the myeloid system:
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1. RBCs (Erythrocytes)
2. WBCs 3. Platelets |
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WBC:
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Neutrophils
Monocytes Eosinophils Basophils |
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Granulocytes:
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Neutrophils
Eosinophils Basophils |
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Erythropoiesis is regulated by ___ and takes about ___ days
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EPO (Erythropoietin)
4 days |
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Life span of RBCs :
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120 days
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RBC volume
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4.5 to million in a micro liter
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How long does it take for the body to produce neutrophils?
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12-13 days
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Neutrophils exit circulation through ____
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Diapedesis
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___ are large mono nuclear cells with an indented nucleus
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Monocytes
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Monocytes spend ____ days in bone marrow and ____ in the peripheral blood
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1-2 days
8-72 hours |
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Once monocytes traverse into tissues they can differentiate into ____
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macrophages
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Macrophages can survive upto ___ days
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80 days
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Macrophages are called ___ cells in liver
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Kupffer cells
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Macrophages are called ___ cells in brain
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Oligodendrocytes or glial cells
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Function of macrophages
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Macrophages phagocytize pathogens and dead tissue
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___ increases during allergic reactions, cancer and certain drugs
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Eosinophils
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Basophils contain ___
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Histamine
heparin Hyaluronic acid |
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Apart from Basophils ___ cells also contain histamine and heparin
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Mast cells
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Platelet development is regulated by ____
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Thrombopoietin
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Life span of platelets
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8-10 days
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What is the viscosity of blood
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1.1 t0 1.2 centipoise
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