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Symptomatic Terms Ch. 6

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microcytosis
presence of small red blood cells
macrocytosis
presence of large red blood cells
anisocytosis
presence of red blood cells of unequal size (an = not, without; iso = equal)
poikilocytosis
presence of large, irregularly shaped red blood cells (poikilo = irregular)
reticulocytosis
an increased number of immature erythrocytes in the blood
erythropenia
an abnormally reduced number of red blood cells
lymphocytopenia
an abnormally reduced number of lymphocytes
neutropenia
a decreased number of neutrophils
pancytopenia
an abnormally reduced number of all cellular components in the blood
thrombocytopenia
an abnormally decreased number of platelets in the blood, impairing the clotting process
hemolysis
breakdown of the red blood cell membrane
immunocompromised
impaired immunologic defenses caused by an immunodeficiency disorder or by therapy with immunosuppressive agents
immunosuppression
impaired ability to provide an immune response
lymphadenopathy
enlarged (diseased) lymph nodes
splenomegaly
enlargement of the spleen