… because of the indispensable relationship between placental progesterone … sheep as a
model to analyze the separate functions of progesterone and estrogen in regulating the cervical …

… of progesterone and estradiol in regulating the cervical prostaglandin (PG) system in pregnant
sheep … 12 days followed by estradiol 5 mg twice a day, intramuscularly for 2 days (n = 5) or …

… estradiol or progesterone, or both, on regulation of prostacyclin synthase protein abundance
in uterine tissues using an ovariectomized nonpregnant sheep … the nonpregnant uterus. …

… the cervix uteri is correlated with circulating concentrations of estradioi and progesterone at
… prediction of serum concentrations of estradiol and progesterone based on vaginal mucous …

… sheep, estradiol directly regulates the increase of ER protein and ER mRNA while progesterone
acts to oppose the action of estrogen. … the sheep uterus. A sharp rise in maternal plasma …

… In adutt sheep, estrogen can stimulate uterine synthesis of Ez and P receptors, while …
demonstrated that estrogen and progesterone receptor are physiologically active in uterus of lambs …

… exceeded those described previously in sheep and in other species. Tang and Adams (20,
21) found higher levels of E recep!ors in the uterus than in the cervix of ovariectomized ewes. …

… In both rats (31) and sheep (17) mechanical stimulation of the vagina and cervix induces
maternal behavior in nonparturient animals primed with progesterone and oestrogen. In sheep, …

… the cervix, oviduct and uterus of 2 months old lambs after im injections of oil (Group C), estradiol
(Group E) or progesterone (… In contrast, the present study and other findings in sheep [8] …

… of estrogen receptor-α (ERα), progesterone receptor (PR) and the proliferative indexes (Ki-67),
in the uterus and oviduct of sheep … and deep compartments in the uterus and oviduct. The …