title: The action of progesterone on venous smooth muscle.
mesh_terms: D000109:Acetylcholine / Q000037:antagonists & inhibitors; D004558:Electric Stimulation; D009130:Muscle, Smooth / Q000187:drug effects*; D009638:Norepinephrine / Q000037:antagonists & inhibitors; D011374:Progesterone / Q000494:pharmacology*; D012501:Saphenous Vein / Q000187:drug effects*
chemical_list: D011374:Progesterone; D000109:Acetylcholine; D009638:Norepinephrine