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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 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 increases the frequency, rate or extent of vascular smooth muscle contraction. A decrease in the diameter of blood vessels, especially arteries, usually causing an increase in blood pressure. Any process that modulates the frequency, rate or extent of smooth muscle contraction. A process, occurring in the vascular tissue, whereby actin/myosin complex activity generates force through ATP hydrolysis resulting in a change in smooth muscle geometry. This process is always coupled to chemo-mechanical energy conversion. Any process that modulates the frequency, rate or extent of reductions in the diameter of blood vessels.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: regulation of vascular smooth muscle contraction
Acc: GO:0003056
Aspect: Biological Process
Desc: Any process that increases the frequency, rate or extent of vascular smooth muscle contraction.
Proteins in PDR annotated with:
   This term: 7 [Search]
   Term or descendants: 7 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0003056 - regulation of vascular smooth muscle contraction (interactive image map)
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