title: Ultraviolet effects on presumptive primordial germ cells (pPGCs) in Xenopus laevis after the cleavage stage.
mesh_terms: D000818:Animals; D004625:Embryo, Nonmammalian / Q000528:radiation effects* / Q000648:ultrastructure; D004707:Endoderm / Q000648:ultrastructure; D005260:Female; D005854:Germ Cells / Q000528:radiation effects*; D007246:Infertility; D008297:Male; D014466:Ultraviolet Rays; D014981:Xenopus