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EBR EMS Chapter 11 Definitions

agglutinate antibodies causing antigens to clump or stick together
anemia deficient number of red blood cells or deficient hemoglobin
antibody substance produced by the body that destroys or inactivates a specific substance that has entered the body
antigen substance that, when introduced into the body, causes formation of antibodies against it
aplastic anemia blood disorder characterized by a low red blood cell count; caused by destruction of myeloid tissue in the bone marrow
basophil white blood cell that stains readily with basic dyes
buffy coat thin layer of white blood cells and platelets located between red blood cells and plasma in a centrifuged sample of blood
carbaminohemoglobin the compound formed by the union of carbon dioxide with hemoglobin
embolism obstruction of a blood vessel by forgein matter carried in the bloodstream
embolus a blood clot or other substance that is moving in the blood and may block a blood vessel
eosinophil white blood cell that is readily stained by eosin
erythroblastosis fetalis a disease that may develop when an Rh-negative mother has anti-Rh antibodies and gives birth to an Rh-positive baby and the antibodies react with the Rh-negative cells of the body
erythrocyte red blood cells
fibrin insoluble protein in clotted blood
fibrogen soluble blood protein that is converted to insoluble fibrin during clotting
hematocrit volume percent of blood cells in whole blood
hemoglobin iron-containing protein in red blood cells
hemorrhagic anemia condition charaterized by low oxygen carrying capacity of blood; caused by decreased red blood cell lifespan and/or increased rate of RBC destruction
heparin substance obtained from the liver; inhibits blood clotting
leukemia blood cancer characterized by an increase in white blood cells
leukocyte white blood cells
leukosytosis abnormally high white blood cell numbers in the blood
leukopenia abnormally low white blood cell number in the blood
lymphocyte type of white blood cell
macrophage phagocytic cells in the immune system
monocyte a phagocyte
neutrophil white blood cell that stains readily with neutral dyes
oxyhemoglobin hemoglobin combined with oxygen
pernicious anemia deficiency of red blood cells resulting from a lack of vitamin B12
phagocyte white blood cell that engulfs microbes and digests them
plasma the liquid part of the blood
plasma protein any of several proteins normally found in the plasma; includes albumins, globulins, and fibrinogen
polycythemia an excessive number of red blood cells
prothrombin a protein present in normal blood that is required fo blood clotting
prothrombin activator a protein formed by clotting factors from damaged tissue cells and platelets; it converts prothrombin into thrombin, a step essential to forming a blood clot
serum blood plasma minus its clotting factors, still contains antibodies
sickle cell anemia when only one defective gene is inherited and only a small amount of hemoglobun that is less soluble than usual is produced
thrombin protein important in blood clotting
thrombocyte plays a role in blood clotting; also called platelet
thrombosis formation of a clot in a blood vessel
thrombus stationary blood clot
Created by: hjkruse