Verapamil reduced only the norepinephrine or urotensin II induced contraction while in the existence of extracellular Ca2+, with little if any improve in the contraction in Ca2+-free buffer. The urotensin I induced relaxation response in aortic strips contracted by 40 mM KCl was Improved by pretreatment with papaverine or forskolin. https://ericd332pbm6.blogunok.com/profile