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med surg

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Term
Description
bonr marrow   the blood-forming tissue that fills the central core of bones  
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erythrocyte   red blood cell  
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erythropoiesis   process of red blood cell production  
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fibrinolysis   a process resulting in the dissolution of fibrin to maintain blood in its fluid form  
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hematemesis   vomiting of blood that indiacates bleeding in the upper GI tract; may be bright red or of "coffee ground" character  
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hematology   the study of blood and blood-forming tissues  
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hematopoieses   blood cell production  
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hemoglobin   a protein-iron molecule that is the major compnent of erythrocytes and transports oxygen  
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hemolysis   destruction of erythrocytes  
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leukopenia   a total white blood count less than 4,000/ul  
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neutropenia   a reduction of the neutrophil count to less than 1000 to 1500/ul (1 to 1.5 x 109/L)  
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pancytopenia   marked decrease in the number of RBC's, WBC's, and platelets  
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phagocytosis   a process by which WBC's ingest or engulf any unwanted organism and then digest and kill it  
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reticulocyte   an immature erythrocyte; measurement of then umber of reticulocytes is a useful means of evaluating the rate and adequacy of erythrocyte production  
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stem cell   a non-differentiated immature blood cell found in the bone marrow that is a precursor to all blood cellls  
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thrombocyte   platelet  
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thrombocytopenia   reduction of the platelet count below the normal range of 150,000 to 400,000/ul (150 x 400 x 109/L)  
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Created by: crystalih
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