5, 7) However, germ cell anomalies, possibly due to DBP-related effects on Sertoli cells, have been observed in fetal rat and mouse testes
as well as samples of fetal human testis xenografts (testicular tissue implanted under the skin of mice).
Studies on laboratory animals have shown that degeneration of vascular system is the earliest histological change in testes
Cryptorchidism is characterized by the failure of descent of one or both testes
into the scrotum during fetal development.
The effects include the decrease of average testes
weight, average seminiferous tubular diameter , total sperm count, motility, increased incidence of sperm abnormalities  and disruption of microtubule formation .
Other reports indicated multiple intratesticular epidermoid cysts in patients with Gardner syndrome, Klinefelter syndrome, cryptorchid testes
and microscopic focus of primary testicular carcinoid tumour.
Prevalence of carcinoma in site and other histopatological abnormalities in testes
of men with a history of cryptorchidism.
Researchers have found no effect of radioactive cesium on the testes
-- considered sensitive to radiation -- and sperm count of bulls that had been left behind in the evacuation zone around the crippled Fukushima Daiichi nuclear power plant, according to a study made public Tuesday.
One day after the last treatment, animals were sacrificed and the testes
immediately removed were morphologically observed and prepared for electron microscopy analysis of spermatogenesis.
Results: A total of 494 testes
of 463 patients examined at the Pediatric Surgery Clinics of Denizli State Hospital and Ordu Obstetric and Pediatric Hospital between 2006 and 2011 were included in the study.
At surgical exploration, there were two subcentimetre lesions on the surface of both testes
(male gonads) are contained in sac called scrotum located near back of testis.
Triorchidism is the condition of having three testes