title: Ovarian steroid dehydrogenase histochemistry and circulating progesterone in aged golden hamsters during the estrous cycle and pregnancy.
mesh_terms: D000367:Age Factors; D000818:Animals; D003338:Corpus Luteum / Q000201:enzymology; D006224:Cricetinae; D004971:Estrus; D005260:Female; D006651:Histocytochemistry; D006913:Hydroxysteroid Dehydrogenases / Q000032:analysis / Q000378:metabolism*; D010053:Ovary / Q000032:analysis / Q000033:anatomy & histology / Q000201:enzymology*; D010060:Ovulation; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000097:blood*
chemical_list: D011374:Progesterone; D006913:Hydroxysteroid Dehydrogenases