to characterize the extraneuronal accumulation of catecholamines ( ca ) in the media of rabbit aorta pieces of isolated media were incubated with 3h-ca ( norepinephrine , isoproterenol or normetanephrine ) plus 14c-sorbitol ( to estimate the extracellular space ) for varying periods at 37 or 0 degree c .
C0007412
ca
C0022245
isoproterenol