Establishment of the dorsal/ventral polarity of the amphibian embryo: use of ultraviolet irradiation and egg rotation as probes.
D000818:Animals; D004625:Embryo, Nonmammalian / Q000528:radiation effects*; D005260:Female; D009024:Morphogenesis / Q000528:radiation effects; D010063:Ovum / Q000528:radiation effects*; D010858:Pigmentation / Q000528:radiation effects; D011833:Radiation Injuries, Experimental; D012399:Rotation; D014466:Ultraviolet Rays; D014982:Xenopus laevis