Background: Zinc oxide nanoparticles (ZnO-NPS) are widely used inhuman life; however, they do have side effects on human health.
Objective: This study aimed to evaluatethedifferent doses of ZnO-NPS on testicular tissue.
Materials And Methods: 35 male Wistar rats(10-12 wk, 220 20gr) were divided into 7 groups of 5, including the control group (gavaged distilled water daily), sham group (received intraperitoneal doses of distilled water twice a week).