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Chapter 13

Blood

TermDefinition
anemia a deficiency of red blood cells or hemoglobin
basophil the fewest of the WBC's; secretes heparin
coagulation blood clotting
eosinophils white blood cells that protect against parasites; also involved in allergic reactions
erythrocytes red blood cells
erythropoietin hormone secreted by the kidneys that stimulates the production of erythrocytes
fibrin insoluble protein fibers involved in forming a blood clot
fibrinolysis process of dissolution of a blood clot
hematocrit the percentage of red blood cells in a sample of blood
hemoglobin iron-containing pigment of red blood cells that carries oxygen
hemolysis the destruction of red blood cells
hemopoiesis the production of blood
hemostasis an arrest of bleeding
leukocytes white blood cells (WBC)
leukocytosis elevated white blood cell count
leukopenia abnormally low white blood cell count
lymphocytes second most numerous of the WBC's; responsible for long-term immunity
monocytes largest and most long-lived of the WBC's; highly phagocytic
neutrophils most abundant of the white blood cells; highly mobile
plasma the clear extracellular matrix of blood
platelets blood cell fragments that play a key role in stopping bleeding
reticulocytes an immature form of an erythrocyte
serum plasma without the clotting proteins
viscosity the thickness or stickiness of blood
Created by: lindstromjPN110