title: Abnormal morphogenesis of sea urchin embryo induced by UV partial irradiation given at cleavage stage.
mesh_terms: D000818:Animals; D002454:Cell Differentiation / Q000528:radiation effects*; D004307:Dose-Response Relationship, Radiation; D004627:Embryonic Induction / Q000528:radiation effects*; D012617:Sea Urchins / Q000196:embryology*; D014466:Ultraviolet Rays / Q000009:adverse effects*