Table 3.

Effect of arsenic on nucleus apoptosis in epididymis of rats (n = 10, x ± s).

Group	The corpus	The caput	The cauda
Control group	0.179 ± 0.015	0.145 ± 0.005	0.114 ± 0.055
Low dose group	0.185 ± 0.001∗	0.163 ± 0.006∗	0.129 ± 0.002∗
Middle dose group	0.201 ± 0.011∗	0.195 ± 0.014∗	0.144 ± 0.003∗
High dose group	0.287 ± 0.018∗	0.197 ± 0.059∗	0.163 ± 0.135∗

Note. ∗ compared with the control group, p < 0.05.