hematology.txt

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hematology.txt
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2013-02-24 22:14:16
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hematology
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hematology
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  1. Anemia
    "an insufficient supply of healthy red blood cells (RBCs), the volume of packed RBCs, and/or the quantity of hemoglobin"
  2. Erythrocytes
    Another name for red blood cells (RBCs). (p. 854)
  3. ERYTHROPOIESIS
    The process of erythrocyte production (al 854)
  4. Globin
    "The protein part of the hemoglobin molecule (see later); the four different structural globin chains most often found in adults are the alpha1, alpha2, beta1, and beta2 chains. (p. 855)"
  5. Hematopoiesis
    The normal formation and development of all blood cell types in the bone marrow. (p. 854)
  6. Heme
    "Part of the hemoglobin molecule; a nonprotein, iron-containing pigment. (p. 855)"
  7. Hemoglobin
    A complex protein-iron compound in the blood that carries oxygen to the cells from the lungs and carbon dioxide away from the cells to the lungs. (p. 855)
  8. HEMOLYTIC ANEMIA
    Anemias resulting from excessive destruction of erythrocytes. (p. 856)
  9. HYPOCHROMIC ANEMIA
    Pertaining to less than normal color. The term usually describes an RBC with decreased hemoglobin content and helps further characterize anemias associated with reduced synthesis of hemoglobin. (p. 855)
  10. MICROCYTIC ANEMIA
    Pertaining to or characterized by smaller than normal cells. (p. 855)
  11. PERNICIOUS ANEMIA
    A type of megaloblastic anemia usually seen in older adults and caused by impaired intestinal absorption of vitamin B12 (cyanocobalamin) due to lack of availability of intrinsic factor. (p. 856)
  12. Reticulocytes
    An immature erythrocyte characterized by a meshlike pattern of threads and particles at the former site of the nucleus. (p. 854)
  13. Spherocytes
    "Small, globular, completely hemoglobinated erythrocytes without the usual central concavity or pallor. (al 854)"
  14. ANISOCYTOSIS
    presence in the blood of erythrocytes showing excessive variations in size.
  15. FOLIC ACID ANEMIA
    anemia that is due to folic acid deficiency
  16. IRON DEFICIENCY ANEMIA
    anemia that is due to iron deficiency
  17. MACROCYTIC ANEMIA /OR MEGALOBLASTIC ANEMIA
    "a group of anemias of varying etiologies, marked by larger than normal red cells, absence of the customary central area of pallor, and an increased mean corpuscular volume and mean corpuscular hemoglobin."
  18. NEUTROCYTOPENIA / neutropenia
    an abnormally low level of neutrophils in the blood. Neutrophils are white blood cells (WBCs) produced in the bone marrow that ingest bacteria.
  19. NEUTROPHILIA
    increase in the number of neutrophils in the blood.
  20. NORMOCYTIC / NORMOCHROMIC ANEMIA
    "that marked by a proportionate decrease in the hemoglobin content, the packed red cell volume, and the number of erythrocytes per cubic millimeter of blood."
  21. POIKILOCYTOSIS
    presence in the blood of erythrocytes showing abnormal variation in shape.
  22. POLYCHROMATOPHILIA
    "a condition in which the erythrocytes, on staining, show various shades of blue combined with tinges of pink"
  23. SCHILLINGS TEST
    a test used to assess a patient's capacity to absorb vitamin B12 from the bowel
  24. THROMBOCYTOPENIA
    is the presence of relatively few platelets in blood
  25. Morphologic classification
    "is based on erythrocyte size, shape, and color "
  26. normocytic/normochromic
    normal size and color
  27. macrocytic/normochromic
    "large size, normal color"
  28. microcytic/hypochromic
    "small size, pale color"

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