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. 1983 Sep 15;39(9):998-1000.
doi: 10.1007/BF01989770.

Differences in the content and turnover of noradrenaline in rat heart atria and ventricles and circadian-phase-dependency

B Lemmer, R Weimer

Differences in the content and turnover of noradrenaline in rat heart atria and ventricles and circadian-phase-dependency

B Lemmer et al. Experientia. .

Abstract

In light-dark-synchronized male rats the levels of noradrenaline in heart atria were about 3 times that found in heart ventricles. Noradrenaline turnover rate which were about 8-9 fold greater for the atria than for the ventricles displayed a circadian-phase-dependency with increased rates in the dark period in both parts of the rat heart.

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