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Questions About Cancer? 1-800-4-CANCER

NCI Dictionary of Cancer Terms

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white blood cell  listen  (hwite blud sel)

  A type of immune cell. Most white blood cells are made in the bone marrow and are found in the blood and lymph tissue. White blood cells help the body fight infections and other diseases. Granulocytes, monocytes, and lymphocytes are white blood cells. Also called leukocyte and WBC.