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Any process that activates or increases the frequency, rate or extent of muscle contraction. A process whereby force is generated within smooth 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. Smooth muscle differs from striated muscle in the much higher actin/myosin ratio, the absence of conspicuous sarcomeres and the ability to contract to a much smaller fraction of its resting length. Any process that modulates the frequency, rate or extent of muscle contraction. Any process that stops, prevents or reduces the frequency, rate or extent of muscle contraction. The sliding of actin thin filaments and myosin thick filaments past each other in muscle contraction. This involves a process of interaction of myosin located on a thick filament with actin located on a thin filament. During this process ATP is split and forces are generated. 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 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 process whereby force is generated within striated 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. Striated muscle is a type of muscle in which the repeating units (sarcomeres) of the contractile myofibrils are arranged in registry throughout the cell, resulting in transverse or oblique striations observable at the level of the light microscope. 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 contraction
Acc: GO:0006936
Aspect: Biological Process
Desc: 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.
Proteins in PDR annotated with:
   This term: 140 [Search]
   Term or descendants: 426 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0006936 - muscle contraction (interactive image map)
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