Promotion of polyspermy in the sea-urchin egg by nicotine and its antagonism by curare.
D000818:Animals; D003472:Curare / Q000494:pharmacology*; D004447:Echinodermata; D005260:Female; D005306:Fertilization; D008297:Male; D009538:Nicotine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D010063:Ovum / Q000187:drug effects*; D013094:Spermatozoa
D009538:Nicotine; D003472:Curare