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Bonewit Chapt#18
Hematology(KaylonTackett)
Term | Definition |
---|---|
Ameboid movement | Movement used by leukocytes that permits them to propel themselves from the capillaries into the tissues. |
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 break down of heme from the hemoglobin molecule |
Diapedesis | The ameboid movment of blood cells( especially leukocytes) through the wall of capillary and out into the tissues |
Hematology | The study of blood and blood forming tissues |
Hemoglobin | The protein and iron containing pigment of erythrocytes that transports oxygen in the body |
Hemolysis | The break down 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. |
Anemia | A condition in which there is a decrease in the erythrocytes or amount of hemoglobin in the blood. |
Microcytic | An abnormally large red blood cell |
Macrocytic | 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 and destruction of foreign particles, such as bacteria, by special cells called phagocytes. |
Polycythemia | A disorder in which there is an increase in the blood cell mass |
Normochromic | A red blood cell with a a normal concentration of hemoglobin. |