Pineal role in the duck extraretinal photoreception.
D000818:Animals; D002247:Carbon Isotopes; D004372:Ducks / Q000502:physiology*; D006913:Hydroxysteroid Dehydrogenases / Q000378:metabolism; D007535:Isomerases / Q000378:metabolism; D008027:Light; D008297:Male; D006899:Mixed Function Oxygenases / Q000378:metabolism; D009929:Organ Size; D010088:Oxidoreductases / Q000378:metabolism; D010786:Photoreceptor Cells / Q000502:physiology*; D010870:Pineal Gland / Q000502:physiology*; D013737:Testis / Q000033:anatomy & histology / Q000201:enzymology; D013739:Testosterone / Q000097:blood
D002247:Carbon Isotopes; D013739:Testosterone; D006899:Mixed Function Oxygenases; D010088:Oxidoreductases; D006913:Hydroxysteroid Dehydrogenases; D007535:Isomerases