derives from/develops from acute lymphoblastic leukemia cell lymphoblastic leukemia cell line acute lymphoblastic leukemia cell line ALL cell line BTO:0002144 BrendaTissueOBO Lymphocytic leukemia cell line that is marked by an abnormal increase in the number of lymphoblasts, that is characterized by rapid onset and progression of symptoms which include fever, anemia, pallor, fatigue, appetite loss, bleeding, thrombocytopenia, granulocytopenia, bone and joint pain, and enlargement of the lymph nodes, liver, and spleen, and that occurs chiefly during childhood.