there was an age-related decline in noradrenaline concentrations in both strains of rats in all brainstem catecholamine nuclei however noradrenaline turnover decreased only in the a2 and c3 regions and this may contribute to the progressive rise in blood pressure with age in spontaneously hypertensive and wistar kyoto rats .
C0007412
catecholamine
C0028351
noradrenaline