title: Existence of ultraviolet-labile germ cell determinant in unfertilized eggs of Xenopus laevis and its sensitivity.
mesh_terms: D000818:Animals; D002454:Cell Differentiation / Q000528:radiation effects*; D004307:Dose-Response Relationship, Radiation; D005260:Female; D005854:Germ Cells / Q000502:physiology*; D007315:Insemination, Artificial; D009865:Oocytes / Q000528:radiation effects*; D010063:Ovum / Q000528:radiation effects*; D014466:Ultraviolet Rays; D014981:Xenopus / Q000502:physiology; D015053:Zygote / Q000528:radiation effects*