title: Changes in the ultrastructure of neural tube cells and the notochordal sheath of ultraviolet irradiated Xenopus laevis embryos.
mesh_terms: D000818:Animals; D002490:Central Nervous System / Q000196:embryology / Q000528:radiation effects* / Q000648:ultrastructure; D004625:Embryo, Nonmammalian / Q000528:radiation effects*; D008854:Microscopy, Electron; D009672:Notochord / Q000528:radiation effects* / Q000648:ultrastructure; D009940:Organoids / Q000648:ultrastructure; D014466:Ultraviolet Rays; D014982:Xenopus laevis