Fertilization and early development of cow ova.
D000818:Animals; D002417:Cattle; D004622:Embryo, Mammalian / Q000166:cytology / Q000648:ultrastructure*; D005260:Female; D005306:Fertilization; D005307:Fertilization in Vitro; D007315:Insemination, Artificial; D008297:Male; D010060:Ovulation; D010063:Ovum / Q000502:physiology* / Q000648:ultrastructure; D011247:Pregnancy; D013094:Spermatozoa / Q000502:physiology; D015044:Zona Pellucida / Q000648:ultrastructure