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Chapter 11-The Blood
Terms
| Term | Definition |
|---|---|
| anemia | deficient number of red blood cells or deficient hemoglobin |
| antibodies | substances produced by the body that destroy or inactivate a specific substance (antigen) that has entered the body |
| antigens | substances that, when introduced into the body, cause formation of antibodies against it |
| basophil | white blood cell that stains readily with basic dyes |
| buffy coat | the superficial layer of yellowish or buff coagulated plasma from which the red corpuscles have settled out in slowly coagulated blood |
| carbaminohemoglobin | the compound formed by the union of carbon dioxide with hemoglobin |
| emobolism | obstruction of a blood vessel by foreign matter carried in the bloodstream |
| embolus | a blood clot or other substance (bubble of air) 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 positive cells of the baby |
| erythrocyte | red blood cell |
| fibrin | insoluble protein in clotted blood |
| fibrinogen | 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 |
| heparin | substance obtained from the liver; inhibits blood clotting |
| leukemia | blood cancer characterized by an increase in white blood cells |
| leukocyte | white blood cells |
| leukocytosis | abnormally high white blood cell numbers in the blood |
| leukopenia | abnormally low white blood cell numbers in the blood |
| lymphocyte | one type of white blood cell |
| 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 because of a lack of vitamin B12 |
| phagocytes | white blood cells that engulf microbes and digest 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 for 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 |
| thrombin | protein important in blood clotting |
| thrombocytes | also called platelets; play a role in blood clotting |
| thrombosis | formation of a clot in a blood vessel |
| thrombus | stationary blood clot |
Created by:
Supernurse
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