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Any biological process, occurring at the level of a multicellular organism, pertinent to its function. A process whereby force is generated within muscle tissue, resulting in a change in muscle geometry. Force generation involves a chemo-mechanical energy conversion step that is carried out by the actin/myosin complex activity, which generates force through ATP hydrolysis. A multicellular organismal process carried out by any of the organs or tissues in an organ system. An organ system is a regularly interacting or interdependent group of organs or tissues that work together to carry out a biological objective. A process by which muscle adapts, with consequent modifications to structural and/or functional phenotypes, in response to a stimulus. Stimuli include contractile activity, loading conditions, substrate supply, and environmental factors. These adaptive events occur in both muscle fibers and associated structures (motoneurons and capillaries), and they involve alterations in regulatory mechanisms, contractile properties and metabolic capacities. A process whereby the extent of muscle contraction is reduced. Muscle relaxation can involve a number of processes including the removal of calcium from the cytoplasm to the sarcoplasmic reticulum lumen through the action of Ca2+ ATPases. In some muscles, calcium-independent pathways also play a role in muscle relaxation by decreasing the phosphorylation state of myosin light chain. 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. A organ system process carried out at the level of a muscle. Muscle tissue is composed of contractile cells or fibers.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: muscle system process
Acc: GO:0003012
Aspect: Biological Process
Desc: A organ system process carried out at the level of a muscle. Muscle tissue is composed of contractile cells or fibers.
Synonyms:
  • muscle physiological process
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 452 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0003012 - muscle system process (interactive image map)
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