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Bonewit Chapt 18
Hematology Logan Greene
| Term | Definition |
|---|---|
| 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 bile pigment produced by the breakdown 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 & blood forming tissues |
| Hemoglobin | the iron containing pigment of erythrocytes that transport 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 |
| Leukocytis | 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) |
| macrocytic | an abnormally large red blood cell |
| microcytic | 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 has combined with oxygen |
| phagocytosis | the engulfing & destruction of foreign particles, such as bacteria, by special cells call phagocytes |
| polycythemia | a disorder in which there is an increase in the red blood cell mass |