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Leukaemia

From Biology-Online Dictionary | Biology-Online Dictionary
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Leukaemia

(Science: haematology) An acute or chronic disease of unknown cause in man and other warm blooded animals that involves the blood forming organs, is characterised by an abnormal increase in the number of leucocytes in the tissues of the body with or without a corresponding increase of those in the circulating blood and is classified according of the type leucocyte most prominently involved. Malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer.Cancer of leucocytes, resulting in dangerous growth of ineffective and immature white blood cells en masse, leaving the weakened immune system susceptible to infection.