Figure 1: A. The ultrastructure of spleen in the control group. Bar=2 μm. B. There is an apoptotic splenocyte in the 30 mg/kg group. Bar=2 μm. C. There is an apoptotic splenocyte in the 45 mg/kg group. Bar=1.5 μm. D. There are four apoptotic splenocytes in the 60 mg/kg group. Bar=3 μm. B and C. Mitochondria of the splenocytes are enlarged and vacuolated with degenerating cristae.