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Bonewit Chapter 18
Hematology-Cheyenne Davis
| Question | Answer |
|---|---|
| ameboid movement | movement used by leukocytes that permits them to propel themselves from the capillaries into the tissues |
| anemia | a condition in which there is a decrease in the erythrocytes or amount of hemoglobin in the blood |
| anisocytosis | a variation in the size of red blood cells |
| anticoagulant | a substance that inhibits blood clotting |
| bilirubin | an orange-colored pigment produced by the break-down of heme from the hemoglobin molecule |
| diapedesis | the ameboid movement of blood cells (especially leukocytes) through the wall of a capillary and out into the tissues |
| hematology | the study of blood and blood-forming tissues |
| hemoglobin | the protien- and iron- containing pigment of erythrocytes that transports oxygen in the body |
| hemolysis | the breakdown of erythrocytes with the release of hemoglobin into the plasma |
| hypochromic | a red blood cell with a decreased concentration of hemoglobin |
| leukocytosis | an abnormal increase in the number of white blood cells (greater than 11,000 per cubic millimeter of blood) |
| leukopenia | an abnormal decrease in the number of white blood cells (less than 4500 per cubic millimeter of blood) |
| microcytic | an abnormally small red blood cell |
| macrocytic | an abnormally large red blood cell |
| normochromic | a red blood cell with a normal concentration of hemoglobin |
| normocytic | a normal-sized red blood cell |
| oxyhemoglobin | hemoglobin that had combined with oxygen |
| phagocytosis | the engulfing and destruction of foreign particles, such as bacteria, by special cells called phagocytes |
| polycythemia | a disorder in which there is an increase in the red blood cell mass |