title: Ultrastructural studies of the mouse blastocyst substages.
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000648:ultrastructure*; D002467:Cell Nucleus / Q000648:ultrastructure; D003896:Desmosomes / Q000648:ultrastructure; D005260:Female; D005855:Germ Layers / Q000648:ultrastructure; D005865:Gestational Age; D007365:Intercellular Junctions / Q000648:ultrastructure; D051379:Mice / Q000196:embryology*; D009940:Organoids / Q000648:ultrastructure; D011247:Pregnancy; D014327:Trophoblasts / Q000648:ultrastructure