removal of the iliac artery endothelium did not change the dilation with nitroglycerin ( 4.6 +/- 0.5 % ) , abolished the dilation with acetylcholine ( 0.0 +/- 0.3 % ) , reversed the dilation with epinephrine to constriction ( -3.3 +/- 0.7 % ) , and enhanced the constriction with norepinephrine ( -13.6 +/- 1.6 % ) .
C0014563
epinephrine
C0028351
norepinephrine