title: Photoperiodic regulation of neuroendocrine-gonadal activity.
mesh_terms: D000818:Animals; D005260:Female; D006065:Gonadotropins, Pituitary / Q000502:physiology*; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology; D007031:Hypothalamus / Q000502:physiology; D008027:Light; D008297:Male; D008322:Mammals / Q000502:physiology*; D008550:Melatonin / Q000494:pharmacology; D010053:Ovary / Q000502:physiology; D010507:Periodicity; D010870:Pineal Gland / Q000502:physiology; D012098:Reproduction; D012621:Seasons; D013737:Testis / Q000502:physiology; D014795:Visual Pathways / Q000502:physiology
chemical_list: D006065:Gonadotropins, Pituitary; D008550:Melatonin