title: An ultrastructural examination of polyspermy induced by soybean trypsin inhibitor in the sea urchin Arbacia punctulata.
mesh_terms: D000818:Animals; D003594:Cytoplasmic Granules / Q000201:enzymology; D010450:Endopeptidases / Q000032:analysis; D005260:Female; D005306:Fertilization; D066298:In Vitro Techniques; D008297:Male; D008566:Membranes; D010063:Ovum / Q000166:cytology / Q000187:drug effects* / Q000201:enzymology; D012617:Sea Urchins / Q000196:embryology*; D013025:Glycine max; D014361:Trypsin Inhibitors / Q000494:pharmacology*
chemical_list: D014361:Trypsin Inhibitors; D010450:Endopeptidases