Özet:

This experiment was designed to study the effects of treatment with green tea (10 g /750ml deionized boiled water) for 30 days on some physiological and histological changes of male reproductive system of rats exposed to oxidative stress induced by alloxan (100 mg/kg body weight). The study showed that treatment with alloxan (100 mg/kg body weight), caused a significant decrease in body weights, epididymal body and seminal vesicles weight. total number of epididymal sperm, percentage of live sperms, with significant increase in epididymal head,tail and prostate gland weight, percentage of dead sperms and sperm abnormalities, but there is no significant changes in the weight of the testes in the rats treated with alloxan.Treatment of rats exposed to oxidative stress induced by alloxan (100 mg/kg body weight) with green tea (10 g/750ml deionized boiled water) for 30 days in drinking water caused a significant increase in body weights, epididymal body seminal vesicles, percentage of live sperms, with decrease in epididymal head, tail and prostate gland weights, percentage of dead sperms and sperm abnormalities as compared with alloxan treated group. With decrease in the total number of epididymal sperm count as compared with control. Histopathological changes observed in the testes of rats treated with alloxan (100 mg/kg) included presence of abnormal spermatids with decrease in the number of sperms in the lumen of seminiferous tubules in addition to irregular division of germ cells.Treatment with green tea caused improvement in the histology of the testes. It was concluded that aqueous extract of green tea exerted an antioxidant effect on the histopathological aspects of the male reproductive system of rats exposed to oxidative stress induced by alloxan.

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