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The muscle system process that results in enlargement or overgrowth of all or part of a muscle organ due to an increase in the size of its muscle cells. Physiological hypertrophy is a normal process during development (it stops in cardiac muscle after adolescence) and can also be brought on in response to demand. In athletes cardiac and skeletal muscles undergo hypertrophy stimulated by increasing muscle activity on exercise. Smooth muscle cells in the uterus undergo hypertrophy during pregnancy. Any process that modulates the frequency, rate or extent of a muscle system process, a multicellular organismal process carried out by any of the organs or tissues in a muscle system. Any process that modulates the frequency, rate or extent of muscle hypertrophy. 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. Any process that modulates the size of myofibrils. A myofibril is the contractile element of skeletal and cardiac muscle. It is a long, highly organized bundle of actin, myosin, and other proteins that contracts by a sliding filament mechanism. Any process that modulates the size of an anatomical structure.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: regulation of myofibril size
Acc: GO:0014881
Aspect: Biological Process
Desc: Any process that modulates the size of myofibrils. A myofibril is the contractile element of skeletal and cardiac muscle. It is a long, highly organized bundle of actin, myosin, and other proteins that contracts by a sliding filament mechanism.
Synonyms:
  • change of myofibril size
Proteins in PDR annotated with:
   This term: 0
   Term or descendants: 0


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0014881 - regulation of myofibril size (interactive image map)
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