title: Sperm-egg membrane fusions and interactions in denudated sea urchin eggs.
mesh_terms: D000199:Actins / Q000502:physiology; D000818:Animals; D002459:Cell Fusion; D003571:Cytochalasin B / Q000494:pharmacology; D004229:Dithiothreitol / Q000494:pharmacology; D005260:Female; D005306:Fertilization; D008297:Male; D008855:Microscopy, Electron, Scanning; D008871:Microvilli / Q000648:ultrastructure; D010063:Ovum / Q000187:drug effects / Q000648:ultrastructure; D012617:Sea Urchins / Q000502:physiology*; D013084:Sperm-Ovum Interactions; D013094:Spermatozoa / Q000648:ultrastructure
chemical_list: D000199:Actins; D003571:Cytochalasin B; D004229:Dithiothreitol