lymphoblastic leukemia n lymphocytic leukemia characterized by an abnormal increase in the number of lymphoblasts specif ACUTE LYMPHOBLASTIC LEUKEMIA
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leukemia associated with hyperplasia and overactivity of the lymphoid tissue; there are increased numbers of circulating malignant lymphocytes and lymphoblasts. See also acute lymphoblastic l. and chronic lymphocytic l. Called also lymphatic, lymphocytic, lymphogenous, and lymphoid l.Medical dictionary. 2011.