Contact between hamster spermatozoa and the zona pellucida releases a factor which influences early binding stages.
D000818:Animals; D002448:Cell Adhesion; D002462:Cell Membrane; D006224:Cricetinae; D005260:Female; D005306:Fertilization; D066298:In Vitro Techniques; D008297:Male; D051379:Mice; D010063:Ovum / Q000502:physiology; D013075:Sperm Capacitation; D013094:Spermatozoa; D013997:Time Factors; D014817:Vitelline Membrane / Q000502:physiology