title: Ultrastructural changes of rat blastocysts induced by estrogen during delayed implantation.
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000187:drug effects*; D002369:Castration; D010064:Embryo Implantation / Q000187:drug effects*; D004721:Endoplasmic Reticulum; D004970:Estrone / Q000494:pharmacology*; D005260:Female; D006003:Glycogen; D006056:Golgi Apparatus; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology*; D051381:Rats; D012270:Ribosomes; D013997:Time Factors; D014327:Trophoblasts / Q000187:drug effects
chemical_list: D004970:Estrone; D011374:Progesterone; D006003:Glycogen