Verapamil decreased only the norepinephrine or urotensin II induced contraction during the presence of extracellular Ca2+, with little or no alter from the contraction in Ca2+-free buffer. The urotensin I induced relaxation response in aortic strips contracted by 40 mM KCl was enhanced by pretreatment with papaverine or forskolin. Pretreatment https://nicholasm887cny0.qodsblog.com/profile