… 17-β oestradiol (E 2 ), and the capacity of the cervical tissue to … The enzymatic degradation
of collagen in the cervix depends … activity in the cervix of a non-pregnant adult ewe is exerted …

… The sex steroids, estrogen (E2) and progesterone (P4), are … caused morphological changes
in the uterus, characterized by … IGFs is regulated by steroid hormones with, eg, estradiol-17β …

… prostaglandin secretion from the uterus is less in pregnant … of PGE2 than in nonpregnant
sheep, consistent with the … that progesterone may downregulate prostaglandin signaling and …

… , C ewes that had been treated with exogenous progesterone … Excess connective tissue was
dissected from the uterus. The … distribution of pregnant or not pregnant. All Day 19 pregnant …

… dependent, because the uterus produces prostaglandin F2α (PGF)… in cyclic ewes. The
mechanism responsible for P4-induced down-… nonpregnant gilts, PGF is released from the uterine …

… in the myometrium of pregnant rats, ewes, baboons, and women [… functional progesterone
withdrawal in the cervix proposes an … to note that cervical fibroblasts from nonpregnant women …

… F2α during the midluteal phase of the estrous cycle in ewes. … In both pregnant and non-pregnant
animals, cells in the corpus … This research suggested that somehow the uterus was …

… to regulation of blood flow through the nonpregnant and pregnant … one uterine artery of
nonpregnant ewes to measure blood flow … Role of the Prostaglandins The uterus in pregnancy …

… environment favorable for uterine prostaglandin (PG) … The epithelial lining of the sheep
uterus, the major source of … of progesterone.7’8,24 The droplets disappear when estradiol is …

… 500 to 1700% increase in cervical blood flow in nonpregnant and pregnant ewes treated with
… exogenous progesterone and estradiol on prostaglandin F levels in ovariectomized ewes, …