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The multicellular organismal 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 multicellular organismal process, the processes pertinent to the function of a multicellular organism above the cellular level; includes the integrated processes of tissues and organs. The flow of blood through the body of an animal, enabling the transport of nutrients to the tissues and the removal of waste products. Any process that modulates the frequency, rate or extent of a system process, a multicellular organismal process carried out by any of the organs or tissues in an organ system. 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 activates or increases the frequency, rate or extent of an organismal process, any of the processes pertinent to the function of an organism above the cellular level; includes the integrated processes of tissues and organs. Any process that activates or increases the frequency, rate or extent of a biological process. Biological processes are regulated by many means; examples include the control of gene expression, protein modification or interaction with a protein or substrate molecule. A circulatory system process carried out by the heart. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood. Any biological process, occurring at the level of a multicellular organism, pertinent to its function. Any process that increases the force with which the cardiac muscles of the heart pump blood through the circulatory system as a result of the baroreceptor response to decreased blood pressure. Any process which increases the force of heart muscle contraction mediated by chemical signaling, hormonal, autocrine or paracrine. 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.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: positive regulation of heart contraction
Acc: GO:0045823
Aspect: Biological Process
Desc: Any process that activates or increases the frequency, rate or extent of heart contraction.
Synonyms:
  • positive regulation of cardiac contraction
  • up-regulation of heart contraction
  • up regulation of heart contraction
  • stimulation of heart contraction
  • upregulation of heart contraction
  • activation of heart contraction
Proteins in PDR annotated with:
   This term: 15 [Search]
   Term or descendants: 35 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0045823 - positive regulation of heart contraction (interactive image map)
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