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Fig. 4. Effect of oxytocin (OT) on the vascular reactivity in the rat’s aortic rings pre-constricted by norepinephrine. (A) L-NAME (an inhibitor of nitric oxide synthase) or endothelium removal (EC–) abolished oxytocin-induced vasorelaxation and slightly enhanced oxytocin-induced vasoconstriction; (B) Atosiban or wortmannin abolished oxytocin-induced vasorelaxation. n = 8. *p < 0.05 vs. oxytocin group.
Korean J Physiol Pharmacol 2022;26:255-262
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