title: Post-fertilization dark recovery of U.V.-irradiated sea-urchin sperm.
mesh_terms: D000818:Animals; D002587:Cesium Isotopes; D003624:Darkness; D005306:Fertilization; D008297:Male; D008938:Mitosis / Q000528:radiation effects*; D009584:Nitrogen; D011830:Radiation Effects; D012617:Sea Urchins; D013094:Spermatozoa / Q000528:radiation effects*; D013997:Time Factors; D014466:Ultraviolet Rays
chemical_list: D002587:Cesium Isotopes; D009584:Nitrogen