Gonadal steroids and the control of gonadal function in seasonally breeding species.
D000818:Animals; D005246:Feedback; D005260:Female; D005289:Ferrets / Q000502:physiology; D006065:Gonadotropins, Pituitary / Q000378:metabolism; D007031:Hypothalamus / Q000502:physiology; D008297:Male; D010053:Ovary / Q000502:physiology*; D012098:Reproduction; D012621:Seasons; D012756:Sheep / Q000502:physiology; D013256:Steroids / Q000502:physiology*
D006065:Gonadotropins, Pituitary; D013256:Steroids