title: Effect of continuous light and darkness on the testicular histology of toad (Bufo melanostictus).
abstract: Continuous darkness decreases spermatogenesis as well as Leydig cell function whereas continuous illumination suppresses spermatogenesis along with increased Leydig cell activity.
mesh_terms: D000818:Animals; D002025:Bufonidae / Q000033:anatomy & histology* / Q000502:physiology; D003624:Darkness; D007985:Leydig Cells / Q000166:cytology; D008027:Light; D008297:Male; D013091:Spermatogenesis; D013737:Testis / Q000166:cytology*