title: Neural plate morphogenesis and axial stretching in "notochord-defective" Xenopus laevis embryos.
mesh_terms: D000818:Animals; D004622:Embryo, Mammalian / Q000502:physiology*; D004625:Embryo, Nonmammalian / Q000502:physiology*; D005260:Female; D008855:Microscopy, Electron, Scanning; D009672:Notochord / Q000502:physiology* / Q000648:ultrastructure; D014981:Xenopus