leukocyte As a command 20 categories below leukocyte Narrow by lymphocyte 7 granulocyte 4 phagocyte 3 b-cell 2 macrophage 2 t-cell 2 bone-cell 1 monocyte 1 neutrophil 1 plasma-cell 1 b-cell 2granulocyte 4lymphocyte 7macrophage 2monocyte 1neutrophil 1plasma-cell 1t-cell 2basophileosinophilhelper-t-cellhistiocytekiller-t-celllymphoblastmicrophagemonoblastmyeloblastmyelocyteosteoclastplasmablast