INDUCTION OF POLYSPERMY BY TREATMENT OF SEA URCHIN EGGS WITH MERCURIALS.
D000818:Animals; D004447:Echinodermata; D008297:Male; D008628:Mercury; D010063:Ovum; D010600:Pharmacology; D012106:Research; D012617:Sea Urchins; D013094:Spermatozoa
D008628:Mercury
ECHINODERMATA; EXPERIMENTAL LAB STUDY; MERCURY; OVUM; PHARMACOLOGY; SPERMATOZOA