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Cromakalim-induced vasodilation of isolated gracilis arterioles from lean (n = 6) and obese (n = 6) Zucker rats before and after treatment with the KATP channel inhibitor, glibenclamide (10 μM). Values are the means ± standard error. *Significant difference between lean and obese control concentration-response curves. #Significant difference between lean and obese control groups at indicated cromakalim concentration.
