title: Ionic regulation of egg activation.
mesh_terms: D000200:Action Potentials; D000818:Animals; D000001:Calcimycin / Q000494:pharmacology; D002118:Calcium / Q000378:metabolism* / Q000494:pharmacology; D004261:DNA Replication; D004527:Egg Proteins / Q000235:genetics; D005260:Female; D006863:Hydrogen-Ion Concentration; D007477:Ions; D008297:Male; D008564:Membrane Potentials; D010063:Ovum / Q000187:drug effects / Q000502:physiology*; D014176:Protein Biosynthesis; D012617:Sea Urchins; D013084:Sperm-Ovum Interactions; D013094:Spermatozoa / Q000502:physiology
chemical_list: D004527:Egg Proteins; D007477:Ions; D000001:Calcimycin; D002118:Calcium