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The process by which the presence of epinephrine or norepinephrine in the bloodstream activates, maintains or increases the rate of heart contraction. The process by which the secretion of norepinephrine into the bloodstream increases the rate of heart muscle contraction. The process by which the secretion of norepinephrine released from nerve endings increases the rate of heart muscle contraction. The process by which the secretion of norepinephrine into the bloodstream or released from nerve endings increases the rate of heart muscle contraction. Any process that modulates the frequency or rate of heart contraction. Any process by which the force of blood traveling through the circulatory system is increased by the chemicals epinephrine and norepinephrine. Any process that activates or increases the frequency or rate of heart contraction. Any process that activates or increases the frequency, rate or extent of heart contraction. The regulation of the rate of heart contraction mediated by chemical signaling, hormonal, autocrine or paracrine.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: positive regulation of heart rate by norepinephrine
Acc: GO:0003066
Aspect: Biological Process
Desc: The process by which the secretion of norepinephrine into the bloodstream or released from nerve endings increases the rate of heart muscle contraction.
Synonyms:
  • norepinephrine cardiac chronotropy
  • positive regulation of heart rate by adrenaline
  • noradrenaline cardiac chronotropy
  • noradrenaline regulation of the rate of heart muscle contraction
  • positive regulation of heart contraction rate by norepinephrine
Proteins in PDR annotated with:
   This term: 0
   Term or descendants: 0


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0003066 - positive regulation of heart rate by norepinephrine (interactive image map)
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