title: Electron microscopic observations of the inner cell mass of a mouse embryo.
mesh_terms: D000818:Animals; D001692:Biological Transport; D002454:Cell Differentiation; D004475:Ectoderm / Q000166:cytology / Q000254:growth & development; D004622:Embryo, Mammalian / Q000166:cytology*; D004707:Endoderm / Q000166:cytology; D005260:Female; D002479:Inclusion Bodies / Q000502:physiology; D008247:Lysosomes; D051379:Mice; D008810:Mice, Inbred C57BL; D008870:Microtubules; D010873:Pinocytosis; D011132:Polyribosomes; D011247:Pregnancy