Table 2.

Morphometric parameters in control and experimental groups. ZNP-1: 5 mg/kg ZNP, ZNP-2: 50 mg/kg ZNP, ZNP-3: 300 mg/kg ZNP

	Parameter (μm)
Group	STD	SEH
Control	212.4 ± 18	164.3 ± 9.2
ZNP-1	218 ± 19.2	163.3 ± 10.95
ZNP-2	178 ± 14.6*	109.4 ± 12*
ZNP-3	107 ± 10.9**	81.7 ± 13.5**

STD Seminiferous tubule diameter, SEH Seminiferous epithelium height

Values expressed as mean ± SD for 8 mice. *p < 0.01, **p < 0.001