Testicular responses to photoperiod are blocked by lesions of the suprachiasmatic nuclei in golden hamsters.
D000818:Animals; D002940:Circadian Rhythm; D006224:Cricetinae; D007031:Hypothalamus / Q000502:physiology*; D008027:Light; D008297:Male; D010870:Pineal Gland / Q000502:physiology; D012160:Retina / Q000502:physiology; D013495:Supraoptic Nucleus / Q000502:physiology*; D013737:Testis / Q000502:physiology*; D014795:Visual Pathways / Q000502:physiology