title: A comparison of ovarian recrudescence in the catfish, Mystus tengara (Ham.), exposed to short photoperiods, to long photoperiods, and to melatonin.
mesh_terms: D000818:Animals; D001683:Biological Clocks; D004780:Environment, Controlled; D005260:Female; D005399:Fishes / Q000502:physiology*; D008027:Light; D008550:Melatonin / Q000494:pharmacology*; D009866:Oogenesis / Q000187:drug effects; D010053:Ovary / Q000033:anatomy & histology / Q000502:physiology*; D010870:Pineal Gland / Q000502:physiology; D012621:Seasons
chemical_list: D008550:Melatonin