resident peritoneal macrophages of b/w mice did not show a maturational block since incubation with either ( a ) differentiating agents such as 4 beta-phorbol 12 beta-myristate 13 alpha acetate or retinoic acid , or ( b ) lymphokine ( lk ) , prepared by con a stimulation of mouse spleen cells , failed to enhance fc-mediated phagocytosis and binding by b/w cells relative to controls .
C0031308
phagocytosis
C0007634
cells