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Pronunciation of Terms

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Question
Answer
Albumin   Protein found in blood.  
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Anisocytosis   Inequality in the size of red blood cells.  
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Antibody   Protein made by white blood cells in response to foreign substances (antigens) in the blood.  
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Anticoagulant   Substance that prevents blood clotting.  
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Antigen   Foreign agent that stimulates the production of an antibody.  
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Basophil   White blood cell (leukocyte) containing dark granules that stain with a basic dye.  
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Bilirubin   Orange-yellow pigment found in bile. It is released from the breakdown of hemoglobin when red blood cells die.  
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Coagulation   Process of blood clotting.  
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Coagulopathy   Disease of blood clotting.  
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Colony-stimulating factor   Protein that stimulates the growth and proliferation of white blood cells (granulocytes).  
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Cytology   Study of cells.  
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Differentiation   Specialization of cells from immature to mature forms.  
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Electrophoresis   Technique used to separate serum proteins by electrical charge.  
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Eosinophil   White blood cell whose granules stain intensely with an acidic eosin (reddish) dye; elevated in allergic reactions.  
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Eosinophilia   Increase in numbers of eosinophils in the bloodstream.  
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Erythroblast   Immature, developing red blood cell.  
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Erythrocytopenia   Deficiency of red blood cells.  
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Erythropoiesis   Formation of red blood cells.  
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Erythropoietin   Substance (hormone) produced by the kidney to stimulate bone marrow to produce erythrocytes.  
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Fibrin   Protein threads that form the basis of a blood clot.  
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Fibrinogen   Plasma protein that is converted to fibrin in the clotting process.  
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Globulins   Major blood proteins; immunoglobulins, alpha, beta and gamma globulins are examples.  
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Granulocyte   White blood cell with numerous dark-staining granules; neutrophil, eosinophil and basophil.  
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Granulocytopenia   Deficiency of granulocytes.  
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Hematopoiesis   Formation of blood cells.  
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Hemoglobin   Blood protein containing iron; carries oxygen in red blood cells.  
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Hemoglobinopathy   Disease or defect of hemoglobin production. Sickle cell anemia is an example.  
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Hemolysis   Destruction or breakdown of blood; specifically red blood cells.  
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Hemostasis   Stoppage of bleeding or circulation of blood.  
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Heparin   Anticoagulant found in blood and tissues.  
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Hypochromic   Pertaining to deficiency in color; decrease in hemoglobin in red blood cells.  
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Immune system   Response of the immune system to foreign invasion.  
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Immunoglobulin   Antibody-containing protein in the blood; IgA, IgG, IgM,  
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Leukapheresis   Mechanical separation of white blood cells from the rest of the blood.  
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Leukocyte   White blood cell.  
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Leukocytopenia   Deficiency of white blood cells.  
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Lymphocyte   White blood cell with a single nucleus (mononuclear); capable of producing antibodies.  
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Macrocytosis   Presence of large red blood cells in the blood.  
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Macrophage   Large phagocytic cell migrating from the blood into tissues.  
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Megakaryocyte   Large, giant cell with a big nucleus; platelet precursor found in the bone marrow.  
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Microcytosis   Increased numbers of smaller than normal red blood cells.  
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Monoblast   Immature monocyte.  
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Monocyte   White blood cell (agranulocyte) with one large nucleus; enter tissues as macrophages.  
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Mononuclear   Pertaining to a white blood cell with a single, round nucleus; monocyte or lymphocyte.  
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Morphology   Study of the shape and form of cells, particularly red blood cells.  
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Myeloblast   Immature granulocytic while blood cell; a cell normally only found in the bone marrow.  
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Myeloid   Derived from bone marrow.  
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Myelogenous   Pertaining to cells produced in the bone marrow.  
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Myelopoiesis   Formation and development of bone marrow or cells that originate from it.  
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Neutropenia   Deficiency of neutrophils.  
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Neutrophil   White blood cell with dark granules that stain with a neutral dye; phagocyte formed in the bone marrow and the body’s first line of defense against disease.  
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Neutrophilia   Increased numbers of neutrophils.  
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Pancytopenia   Deficiency of all (blood) cells.  
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Phagocyte   Cell that engulfs another cell or foreign organism and destroys it.  
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Plasma   Liquid portion of blood containing proteins, water, salts, nutrients, hormones and vitamins.  
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Plasmapheresis   Removal of plasma from withdrawn blood by centrifuge.  
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Platelet   Clotting cell or thrombocyte.  
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Plateletpheresis   Separation of platelets from the rest of the blood.  
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Poikilocytosis   Variation in the shape of red blood cells.  
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Polymorphonuclear   Pertaining to a multi-lobed nucleus (in granulocytic white blood cells).  
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Prothrombin   Plasma protein converted to thrombin in the clotting process.  
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Reticulocyte   Immature erythrocyte with a network of strands (reticulum).  
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Rh factor   Antigen (protein) on red blood cells of Rh positive individuals.  
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Serum   Plasma minus clotting proteins (prothrombin and fibrinogen) and clotting cells.  
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Sideropenia   Deficiency of iron in the blood.  
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Spherocytosis   Increase in numbers of sphere-shaped red blood cells, as in a type of anemia (hemolytic anemia).  
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Stem cell   Unspecialized cell that gives rise to all forms of specialized cells in the body. Hematopoietic stem cells are found in the bone marrow and lead to the development of all types of blood cells.  
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Thrombin   Enzyme necessary for blood clotting (converts fibrinogen to fibrin in the clotting process).  
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Thrombocyte   Platelet; clotting cell.  
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Thrombocytopenia   Deficiency of clotting cells.  
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Thrombolytic therapy   Treatment with drugs to break down clots that may abnormally form in blood vessels.  
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