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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 |