the action of adrenaline on the rat tail artery was similar to that of noradrenaline in that ( i ) adrenaline was more potent by the intraluminal than the extraluminal route of application , and ( ii ) cocaine eliminated the difference in potency by selectively enhancing the response to extraluminal adrenaline .
C0028351
noradrenaline
C0014563
adrenaline