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Chapter 18
Naomi Schutte-Smith Chapter 18
| Term | Definition |
|---|---|
| ameboid movement | Movement used by leukocytes that permits them to propel themselves from the capillaries into the tissue. |
| anemia | a condition in which there is a decrease in the erythrocytes or amount of hemoglobin in the blood |
| bilirubin | an orange colored bile pigment produced by the breakdown of heme from the hemoblogin molecule |
| diapedesis | the ameboid movement of blood cells (especially leukocytes) through the wall of a capaillary 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 |
| 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) |
| 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 |
| microcytic | An abnormally small red blood cell. |
| macrocytic | An abnormally large blood cell. |
| normochromic | A red blood cell with a normal concentration of hemoglobin. |
| normocytic | A normal-sized red blood cell. |
| anisocytosis | A variation in the size of the red blood cell. |
| anticoagulant | A substance that inhabits blood counting. |
| hypochromic | A red blood cell with a decreased concentration of hemoglobin. |