elevation of the extracellular k+ concentration caused a ) inhibition of the corticosteroid-sensitive extraneuronal uptake ( uptake2 ) of 3h-isoprenaline in rat heart and of 3h-noradrenaline in rabbit aorta , and b ) acceleration of efflux of 3h-isoprenaline from rat heart , 3h-noradrenaline from rabbit aorta and adrenaline ( measured by microphotometry ) from guinea-pig trachealis muscle .
C0028351
noradrenaline
C0014563
adrenaline