abnormal common myeloid progenitor cell morphology +
abnormal erythropoiesis +
abnormal follicular dendritic cell morphology +
abnormal large unstained cell number +
abnormal leukocyte morphology +
abnormal leukopoiesis +
any anomaly in the process of generating white blood cells (leukocytes) from the pluripotent hematopoietic stem cells of the bone marrow; two significant pathways generate various types of leukocytes: myelopoiesis, in which leukocytes in the blood are derived from myeloid stem cells, and lymphopoiesis, in which leukocytes of the lymphatic system (lymphocytes) are generated from lymphoid stem cells
abnormal lymph organ development +
abnormal professional antigen presenting cell morphology +