title: Submicroscopic structure of mouse morulas and blastocysts developed in vitro from two-cell embryos.
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000648:ultrastructure*; D002970:Cleavage Stage, Ovum / Q000648:ultrastructure*; D051379:Mice / Q000196:embryology*; D008815:Mice, Inbred Strains; D009028:Morula / Q000648:ultrastructure*