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A process that is triggered by vasomotor excitation and results in a decrease in the diameter of an artery during the chemoreceptor response to decreased blood pressure. The flow of blood through the body of an animal, enabling the transport of nutrients to the tissues and the removal of waste products. The vasoconstriction that is triggered by vasomotor excitation resulting from the detection of high carbon dioxide levels in the vasomotor center of the central nervous system. Any process that modulates the frequency, rate or extent of reductions in the diameter of blood vessels. 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. A circulatory process that occurs at the level of the vasculature. Any process that modulates the size of blood vessels. A process that results in a decrease in the diameter of an artery during the norepinephrine-epinephrine response to decreased blood pressure. Any process that activates or increases the frequency, rate or extent of vasoconstriction. A process that is triggered by vasomotor excitation and results in a decrease in the diameter of an artery during the baroreceptor response to decreased blood pressure. Any process that stops, prevents or reduces the frequency, rate or extent of vasoconstriction. A decrease in the diameter of blood vessels, especially arteries, usually causing an increase in blood pressure. The decrease in blood vessel diameter as a result of the release of angiotensin into the blood stream. The decrease in blood vessel diameter as a result of the release of vasopressin into the blood stream. Ensuring that a tube is of the correct length and diameter. Tube size must be maintained not only during tube formation, but also throughout development and in some physiological processes.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: vasoconstriction
Acc: GO:0042310
Aspect: Biological Process
Desc: A decrease in the diameter of blood vessels, especially arteries, usually causing an increase in blood pressure.
Synonyms:
  • negative regulation of blood vessel size
Proteins in PDR annotated with:
   This term: 21 [Search]
   Term or descendants: 117 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0042310 - vasoconstriction (interactive image map)
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