title: Embryology. Embryologists polarized over early cell fate determination.
authors.forename: Gretchen
authors.initials: G
authors.lastname: Vogel
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000166:cytology* / Q000502:physiology; D019521:Body Patterning; D002455:Cell Division; D016764:Cell Polarity; D004622:Embryo, Mammalian / Q000166:cytology*; D047108:Embryonic Development; D051379:Mice