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19 Cards in this Set
- Front
- Back
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bone marrow
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the blood-forming tissue that fills the central core of bones
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erythrocyte
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red blood cell
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erythropoiesis
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process of red blood cell production
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fibrinolysis
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a process resulting in the dissolution of fibrin to maintain blood in its fluid form
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hematemesis
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vomiting of blood that indicates bleeding in the upper GI tract; may be bright red or of "coffee ground" character
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hematology
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the study of blood and blood-forming tissues
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hematopoiesis
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blood cell production
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hemoglobin
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a protein-iron molecule that is the major component of erythrocytes and transports oxygen
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hemolysis
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destruction of erythrocytes
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hemostasis
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a homeostatic process of blood clotting and blood lysing
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leukocyte
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white blood cell
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leukopenia
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a total white blood count less than 4,000/µl
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neutropenia
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a reduction of the neutrophil count to less than 1000 to 1500/µl (1 to 1.5 × 109/L)
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pancytopenia
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marked decrease in the number of RBCs, WBCs, and platelets
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phagocytosis
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a process by which WBCs ingest or engulf any unwanted organism and then digest and kill it
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reticulocyte
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an immature erythrocyte; measurement of the number of reticulocytes is a useful means of evaluating the rate and adequacy of erythrocyte production
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stem cell
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a non-differentiated immature blood cell found in the bone marrow that is a precursor to all blood cells
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thrombocyte
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platelet
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thrombocytopenia
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a reduction of the platelet count below the normal range of 150,000 to 400,000/µl (150 to 400 × 109/L)
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