results of this study show that ( 1 ) progesterone can stimulate in vitro gnrh and 5-ht release from hypothalamic tissue slices of ovariectomized rats primed with estrogen and ( 2 ) the 5-ht receptor antagonist mianserin blocks the ability of progesterone to augment in vitro gnrh release from these tissue slices .
C0020663
hypothalamic
C0023610
gnrh