title: The time of cortical granule breakdown and sperm penetration in mouse and hamster eggs inseminated in vitro.
mesh_terms: D000818:Animals; D006224:Cricetinae; D003594:Cytoplasmic Granules / Q000378:metabolism*; D005260:Female; D005306:Fertilization; D007700:Kinetics; D008297:Male; D051379:Mice; D010063:Ovum / Q000502:physiology / Q000648:ultrastructure*; D013075:Sperm Capacitation; D013094:Spermatozoa / Q000502:physiology; D014817:Vitelline Membrane / Q000378:metabolism