Verapamil decreased only the norepinephrine or urotensin II induced contraction from the existence of extracellular Ca2+, with little or no adjust while in the contraction in Ca2+-free buffer. The urotensin I induced peace response in aortic strips contracted by 40 mM KCl was Increased by pretreatment with papaverine or forskolin. https://richardk665xiv8.cosmicwiki.com/user