Research Article

Redundant Vasodilator Pathways Underlying Radial Artery Flow-Mediated Dilation Are Preserved in Healthy Aging

Figure 2

Individual FMD responses to saline, L-NMMA, and KETO + L-NMMA infusion are shown for young (data from young participants have been published previously [8]) (a) and older adults (b). FMD: flow-mediated dilation; L-NMMA: N(G)-monomethyl-L-arginine; KETO: ketorolac.
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(a)
876125.fig.002b
(b)