title: Placenta and fetal tissues: a biphasic system for the synthesis of steroids.
mesh_terms: D000311:Adrenal Glands / Q000196:embryology / Q000378:metabolism; D000818:Animals; D002247:Carbon Isotopes; D004964:Estriol / Q000096:biosynthesis; D005260:Female; D005333:Fetus / Q000201:enzymology / Q000378:metabolism*; D006728:Hormones / Q000096:biosynthesis*; D006801:Humans; D008099:Liver / Q000378:metabolism; D008431:Maternal-Fetal Exchange; D008861:Microsomes / Q000378:metabolism; D010920:Placenta / Q000201:enzymology / Q000378:metabolism*; D011247:Pregnancy; D011276:Pregnanediol / Q000096:biosynthesis; D051381:Rats; D013429:Sulfatases / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D006728:Hormones; D013429:Sulfatases; D004964:Estriol; D011276:Pregnanediol