Membrane fusion events in fertilization.
D000177:Acrosome / Q000502:physiology; D000818:Animals; D002459:Cell Fusion; D002462:Cell Membrane / Q000502:physiology; D006224:Cricetinae; D003594:Cytoplasmic Granules; D005260:Female; D005306:Fertilization; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D051379:Mice; D010063:Ovum / Q000502:physiology; D051381:Rats; D013075:Sperm Capacitation; D013084:Sperm-Ovum Interactions; D013094:Spermatozoa / Q000201:enzymology / Q000378:metabolism / Q000502:physiology