Figure 2From: The placental cholinergic system: localization to the cytotrophoblast and modulation of nitric oxidePanels A – C: Human placenta obtained at 23 weeks gestation was stained with anti-eNOS antibodies as previously described. Panel A = 100×, Panel B = 100×, Panel C = 40×. Panel D: Non-immune serum (40X)Back to article page