Early photoperiodic conditions and pineal antigonadal function in male hamsters.
D000818:Animals; D000831:Animals, Newborn; D001766:Blindness; D001835:Body Weight; D006224:Cricetinae; D006066:Gonads / Q000502:physiology*; D008027:Light; D008297:Male; D051379:Mice; D009929:Organ Size; D010507:Periodicity; D010870:Pineal Gland / Q000378:metabolism / Q000502:physiology* / Q000601:surgery; D013737:Testis / Q000254:growth & development / Q000473:pathology