title: delta 5, 3beta-Hydroxysteroid dehydrogenase activity in the rat parietal yolk sac during pregnancy.
mesh_terms: D000818:Animals; D005260:Female; D005865:Gestational Age; D006913:Hydroxysteroid Dehydrogenases / Q000378:metabolism*; D010920:Placenta / Q000378:metabolism; D011247:Pregnancy; D011284:Pregnenolone / Q000378:metabolism; D011374:Progesterone / Q000096:biosynthesis; D051381:Rats; D015017:Yolk Sac / Q000201:enzymology* / Q000378:metabolism
chemical_list: D011374:Progesterone; D011284:Pregnenolone; D006913:Hydroxysteroid Dehydrogenases