Directional flow of fallopian tube secretion in the ewe at onset of the breeding season.
D000818:Animals; D001947:Breeding; D003338:Corpus Luteum / Q000033:anatomy & histology / Q000502:physiology; D004971:Estrus; D005260:Female; D010053:Ovary / Q000033:anatomy & histology; D010057:Oviducts / Q000378:metabolism*; D010060:Ovulation; D011247:Pregnancy; D012636:Secretory Rate; D012756:Sheep; D014626:Vaginal Smears