Verapamil decreased only the norepinephrine or urotensin II induced contraction inside the existence of extracellular Ca2+, with little or no change within the contraction in Ca2+-free buffer. The urotensin I induced rest response in aortic strips contracted by forty mM KCl was enhanced by pretreatment with papaverine or forskolin. Pretreatment https://davidf666yku9.activablog.com/profile