Kinetic evidence for an intermediate stage in the fertilization of the sea urchin egg.
D000818:Animals; D004447:Echinodermata; D005260:Female; D005306:Fertilization / Q000187:drug effects*; D007700:Kinetics; D008854:Microscopy, Electron; D010063:Ovum / Q000166:cytology*; D013696:Temperature; D014501:Uranium
D014501:Uranium