First mitotic division: getting it right at the start.
D000818:Animals; D016764:Cell Polarity / Q000502:physiology*; D004622:Embryo, Mammalian / Q000166:cytology / Q000196:embryology*; D005260:Female; D051379:Mice; D008938:Mitosis / Q000502:physiology*; D008941:Spindle Apparatus / Q000502:physiology*; D015053:Zygote / Q000166:cytology / Q000378:metabolism