title: Light has no role in spermatogenesis in the frog Rana cyanophlyctis (Schneider).
abstract: The effect of 3 months exposure to short day length (L:D, 9:15) on spermatogenesis in R. cyanophlyctis was studied. There was no difference in the qualitative and quantitative aspect of spermatogenesis between control frogs exposed to ambient photoperiod (L:D, 12.16:11.44) and frogs exposed to short day light. The present findings indicate that light has no role in spermatogenesis in the frog.
authors.affiliation: Department of Zoology Karnatak University, Dharwad, India.
authors.forename: G S
authors.initials: GS
authors.lastname: Shivakumar
mesh_terms: D000818:Animals; D008027:Light; D008297:Male; D017440:Photoperiod; D011898:Ranidae / Q000033:anatomy & histology / Q000502:physiology*; D013091:Spermatogenesis / Q000502:physiology / Q000528:radiation effects*; D013737:Testis / Q000033:anatomy & histology