title: Na+ movements and their oscillations during fertilization and the cell cycle in sea urchin eggs.
mesh_terms: D000643:Ammonium Chloride / Q000494:pharmacology; D000818:Animals; D002453:Cell Cycle; D002463:Cell Membrane Permeability; D005260:Female; D005306:Fertilization; D007700:Kinetics; D010063:Ovum / Q000502:physiology*; D012617:Sea Urchins; D012964:Sodium / Q000378:metabolism*
chemical_list: D000643:Ammonium Chloride; D012964:Sodium