Does Nitric Oxide Cause Vasodilation or Vasoconstriction?: A Deep Dive
•
4 min read
Since its identification as the endothelium-derived relaxing factor (EDRF) in 1987, nitric oxide (NO) has been recognized as a pivotal signaling molecule [1.5.5]. The primary function of NO in the vasculature is clear: so, **does nitric oxide cause vasodilation or vasoconstriction?** It is a potent **vasodilator** [1.2.2].