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Engineered vascular constructs are viable and vasoresponsive. Ringlets from LX and LV3 vascular constructs were evaluated for vasoresponse in a tissue myograph. Both contractile (U46619-induced) and relaxation (Na nitroprusside [SNP]-induced) modes of vasoresponse were tested at the indicated concentrations (M). Arrows indicate the times at which U46619 and SNP were added to the test chamber.
