Verapamil diminished just the norepinephrine or urotensin II induced contraction in the presence of extracellular Ca2+, with little if any modify during the contraction in Ca2+-free buffer. The urotensin I induced rest reaction in aortic strips contracted by 40 mM KCl was Increased by pretreatment with papaverine or forskolin. Pretreatment https://urotensin-i-acetate-8393091735.techionblog.com/36231183/details-fiction-and-urotensin-i-acetate-83930-33-0-free-base