Research Article

Vasorelaxant Effect of Osterici Radix Ethanol Extract on Rat Aortic Rings

Figure 6

Vasorelaxant responses induced by EOK (0.01–0.8 mg/mL) in rat aortic rings precontracted with phenylephrine (1 μM) in the presence or absence of 4-aminopyridine (4-AP, 1 mM), glibenclamide (10 μM), or tetraethylammonium (TEA, 5 mM). Values are expressed as mean ± SEM ( ).
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