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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. |