Table 1. Effects of Various Inhibitors on the Nonadrenergic Noncholinergic (NANC) Relaxation and the SNP-induced Relaxation of Isolated Rabbit LES Strips

* Significantly different from each of the control values in the absence of agents.

SNP = sodium nitroprusside; LES = lower esophageal sphincter; l-NNA =N  ^G-nitro-l-arginine; VIP = vasoactive intestinal peptide; NT = not tested.