Figure 3From: The role of the muscarinic system in regulating estradiol secretion varies during the estrous cycle: the hemiovariectomized rat modelComparative effects of atropine sulfate injection at 12:00 hours on estradiol serum levels (pg/ml) to rats with unilateral ovariectomy (olive green) performed at 13:00 of diestrus 1 (D1), diestrus 2 (D2) or proestrus (P) sacrificed one hour after surgery. * p < 0.05 vs. unilateral ovariectomy (Student's t test).Back to article page