Sperm penetration of cervical mucus. The role of saline.
D000818:Animals; D002417:Cattle; D002582:Cervix Mucus / Q000032:analysis / Q000378:metabolism*; D005260:Female; D006801:Humans; D008297:Male; D008598:Menstruation; D010053:Ovary / Q000378:metabolism; D010060:Ovulation; D011247:Pregnancy; D012492:Salts / Q000378:metabolism*; D012965:Sodium Chloride / Q000378:metabolism; D013094:Spermatozoa / Q000502:physiology*
D012492:Salts; D012965:Sodium Chloride