Influence of ovarian hormones on sperm "breakage" and disappearance in sheep uteri.
D000818:Animals; D002369:Castration; D003338:Corpus Luteum / Q000502:physiology; D004958:Estradiol / Q000494:pharmacology; D004971:Estrus; D005260:Female; D012739:Gonadal Steroid Hormones / Q000494:pharmacology*; D008026:Ligation; D008297:Male; D010053:Ovary / Q000502:physiology; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology; D012756:Sheep; D013094:Spermatozoa / Q000502:physiology*; D014599:Uterus / Q000187:drug effects*
D012739:Gonadal Steroid Hormones; D011374:Progesterone; D004958:Estradiol