Fibrin staining. Lung (A-B), kidney (C-D), and liver (E-F) of mice at 12 hours after administration of endotoxin. Mice with a heterozygous deficiency of protein C (A,C,E) are compared with wild-type littermates (B,D,F). Slides are representative for 6 mice per group. Original magnification for all panels, × 50.