title: Steroidogenesis in the preimplantation rat embryo and its possible influence on morula-blastocyst transformation and implantation.
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000201:enzymology / Q000502:physiology*; D010064:Embryo Implantation; D004622:Embryo, Mammalian / Q000378:metabolism*; D004967:Estrogens / Q000096:biosynthesis; D005260:Female; D006651:Histocytochemistry; D006913:Hydroxysteroid Dehydrogenases / Q000032:analysis; D066298:In Vitro Techniques; D010063:Ovum / Q000201:enzymology; D011247:Pregnancy; D011374:Progesterone / Q000096:biosynthesis; D051381:Rats; D013256:Steroids / Q000096:biosynthesis*
chemical_list: D004967:Estrogens; D013256:Steroids; D011374:Progesterone; D006913:Hydroxysteroid Dehydrogenases