title: Membrane potential, action potential and activation potential of eggs of the sea urchin, Lytechinus variegatus.
mesh_terms: D000200:Action Potentials; D000818:Animals; D002118:Calcium / Q000008:administration & dosage; D002794:Choline / Q000008:administration & dosage; D005260:Female; D005306:Fertilization; D008297:Male; D008564:Membrane Potentials; D010063:Ovum / Q000502:physiology*; D012617:Sea Urchins / Q000502:physiology; D012623:Seawater; D012964:Sodium / Q000008:administration & dosage; D013084:Sperm-Ovum Interactions
chemical_list: D012964:Sodium; D002794:Choline; D002118:Calcium