Human and bovine sperm migration.
D000818:Animals; D002417:Cattle; D002582:Cervix Mucus / Q000502:physiology; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D013083:Sperm Transport / Q000502:physiology*; D014599:Uterus / Q000502:physiology