Hematology Definitions
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Excessive number of WBCs | Leukocytosis
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Indicates low level of WBCs | Leukopenia
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Clumping of RBCs | Agglutination
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Specialist in blood formation and function | Hematologist
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Red bone marrow | Myeloid tissue
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RBC formation | Erythropoiesis
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Condition of reduced or low hemoglobin; decreased oxygen carrying capasity | Anemia
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Percentage of whole blood occupied by cellular elements | Hematocrit
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Gives RBCs red color; transports oxygen and carbon dioxide | Hemoglobin
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Produces all blood cells | Stem cells
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Base framework of a blood clot | Fibrin
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Most abundent plasma protein | Albumin
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Procedure to collect fresh whole blood from a vein | Venipuncture
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Seperated | Fractionated
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Cell fragments; small membrane enclosed packets of cytoplasm that contain enzymes and blood clotting factors | Platelet
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Cell involved in the bodies defense | Leukocyte
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Most abundant blood cell | Erythrocyte
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Blood cells and fragments that are suspended in plasma | Formed elements
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Substance capable of inducing the production of antibodies | Antigen
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Liquid part of blood | Plasma
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Blockage of a vessel by a blood clot | Embolism
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To make or manufacture | Synthesis
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Blood clotting | Coagulation
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High platelet count | Thrombocytosis
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Platelet | Thrombocyte
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Giant cells that shed platelets | Megakaryocytes
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Cancer of blood and blood forming tissues | Leukemia
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Main cell of the lymphatic system | Lymphocyte
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Poison | Toxin
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Bacteria or virus that causes disease | Pathogen
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Immature RBCs | Erythroblasts
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Plasma protein that includes antibodies and transport proteins | Globulin
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Plasma minus clotting factor | Serum
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Antibody | Agglutinins
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Surface antigen of RBCs whose presence determines blood type | Agglutinogens
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Rutpure of blood cells | Hemolyze
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Type of stem cell | Hemocytoblasts
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When an antibody meets its specific antigen | Cross-reaction
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Lymphocyte production | Lymphopoiesis
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Low platelet count | Thrombocytopenia
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Process that prevents loss of blood | Hemostasis
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Dissolving of a blood clot | Fibrinolysis
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Drifting blood clot | Embolus
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Attack foreign proteins and pathogens | Antibodies
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Plasma protein that helps clotting | Fibrinogen
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Production of formed elements | Hemopoiesis
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Adolesent RBCs | Reticulocyte
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4 Functions of blood | Carry Nutrients & Oxygen,Carry Hormones,Regulate Acid-base balance,Procted against infection
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6 Substances in plasma | water, plasma proteins, nutrients, electrolytes, hormones- vitamins & enzymes, metabolic waste products
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3 proteins found in plasma | fibrinogen, albumin, globulin
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Globulin which helps blood to coagulate | prothrombin
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1 pint of blood equals | 500cc
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Oxygen chemically combined with hemoglobin | oxyhemoglobin
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RBC that contains no nucleus | erythrocyte
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2 major groups of leukocytes | granulocytes, agranulocytes
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3 types of granulocytes | neutophils, eosinophils, basophils
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2 types of agranulocytes | lymphocytes, monocytes
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2 types of lymphocytes | B-lymphocytes, T-lymphocytes
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Occurs when tissue is subjected to chemical or physical trauma | inflammation
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Symptoms of inflammation | redness, local heat, swelling, pain
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Cream-colored liquid in inflammation | pus
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pus-filled cavity below the epidermis | abscess
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Steps to blood clotting process | serotonin, thromboplastin, prothromboplastin, thrombin, fibrinogen, fibrin, clot
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4 blood types | A, B, AB, O
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Universal donor | O-
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Universal recipient | AB+
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Deficiency of adequate amounts of iron | Iron-deficiency anemia
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Deficiency of vitamin B12 | Pernicious anemia
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Disease caused by the suppression of bone marrow | Aplastic anemia
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Chronic blood disease inherited from both parents | Sickle cell anemia
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Blood disease caused by a defect in hemoglobin formation | Cooley's anemia
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Condition in which too many red blood cells are formed | Polycythemia
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Localized clotted mass of blood found in an organ, tissue, or space | hematoma
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Disease in which the blood clots slowly | hemophilia
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Presence of pathocenic organisms or toxins in the blood | Septicemia
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