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The process by which acetylcholine released from vagus nerve endings binds to muscarinic receptors on the pacemaker cells and decreases the rate of heart muscle contraction. The process by which the hormones modulates the rate of heart muscle contraction. A hormone is one of a group of substances formed in very small amounts in one specialized organ or group of cells and carried (sometimes in the bloodstream) to another organ or group of cells, in the same organism, upon which they have a specific regulatory action. The process by which the secretion of epinephrine into the bloodstream or 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 that modulates the frequency, rate or extent of heart contraction. Heart contraction is the process by which the heart decreases in volume in a characteristic way to propel blood through the body. Any process that modulates the frequency, rate or extent of a biological quality. A biological quality is a measurable attribute of an organism or part of an organism, such as size, mass, shape, color, etc. 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: regulation of heart rate by chemical signal
Acc: GO:0003062
Aspect: Biological Process
Desc: The regulation of the rate of heart contraction mediated by chemical signaling, hormonal, autocrine or paracrine.
Synonyms:
  • chemical signal regulation of heart contraction rate
  • chemical cardiac chronotropy
  • chemical signal regulation of heart rate
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 1 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0003062 - regulation of heart rate by chemical signal (interactive image map)
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