in response to exogenous adrenocorticotrophin ( acth , 8 i.u./kg ) , administered i.v. , the increase in the plasma corticosterone concentration was elevated above that in the controls in birds pretreated with adrenaline , noradrenaline , isoprotorenol or phentolamine ( an alpha antagonist administered at 1 mg/kg ) .
C0014563
adrenaline
C0028351
noradrenaline