title: Comparative ultrastructure of hatched human, mouse and bovine blastocysts.
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000648:ultrastructure*; D002417:Cattle; D004707:Endoderm / Q000648:ultrastructure; D005260:Female; D006801:Humans; D051379:Mice; D008815:Mice, Inbred Strains; D008854:Microscopy, Electron; D011247:Pregnancy; D014327:Trophoblasts / Q000648:ultrastructure