Verapamil reduced only the norepinephrine or urotensin II induced contraction from the existence of extracellular Ca2+, with little if any alter from 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. Pretreatment https://raymondg544ugr7.blog-ezine.com/profile