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28 Cards in this Set
- Front
- Back
Hematology
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Study of blood |
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Erythrocyte
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RBC; biconcave disc with no nucleus; contains hemoglobin |
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Leukocyte
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WBC; protects the body |
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Platlet
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small colorless disc shaped cells without a nucleus, found in large numbers in blood; involved in clotting |
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Hemopoiesis
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Production of blood cells and platlets; occurs in bone marrow
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Homocytoblast
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blood stem cell |
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Hypoxia
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deficiency in the amount of oxygen reaching the tissues |
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Hematocrit
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the ratio of volume of red blood cells in comparison to the total volume of blood |
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Granulocyte
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WBC with granules (3 types) |
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Erythropoisesis
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Production of RBC
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Hemolysis
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destruction or rupture of RBC
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Hemostasis
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the stop of blood flow/bleeding; the opposite of hemorrhaging
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Agranulocyte
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WBC without granules; mononuclear (2 types) |
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Coagulation
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blood clotting to a solid for repair
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Fibrin
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protein formed from fibrogen during clotting of blood, fibrous mesh impedes blood flow; sticky |
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Hemophilia
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a sex-linked genetic disorder in which bleeding is excessive and clotting is insufficient |
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Serum
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amber-colored, protein rich liquid that separates out when blood coagulates |
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Elastin
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a protein that coils and recoils and accounts for the elasticity of structures |
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Atherosclerosis
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disease of the arteries characterized by plaque on the inner wall; hardening of arteries |
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Arteriole
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small branch of an artery leading to a capillary |
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Precapillary Sphincter
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a band of smooth muscle that adjusts blood flow into the capillaries
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Fenestra
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a small natural hole or opening |
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Venule
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a small vein especially one collecting blood from the capillaries |
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Flow
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amount of fluid that passes through an organ or part in a specific amount of time; mL/min
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Vasoconstriction
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constriction of blood vessels, which increases blood pressure
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Vasodialation
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the dilation of blood vessels, which decreases blood pressure
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Diapedesis
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passage of blood cells through the intact wall of the capillaries; typically accompanying inflammation
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Metarteriole
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a short vessel that links arterioles and capillaries |