Vasodilation
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«Vasodilation is the widening of blood vessels.[1] It results from relaxation of smooth muscle cell within the vessel walls, in particular in the large veins (called venodilators), large arteries, and smaller arterioles. The process is the opposite of vasoconstriction, which is the narrowing of blood vessels.
When blood vessels dilate, the flow of blood is increased due to a decrease in vascular resistance. Therefore, dilation of arterial blood vessels (mainly the arterioles) decreases blood pressure. The response may be intrinsic (due to local processes in the surrounding tissue) or extrinsic (due to hormone or the nervous system). In addition, the response may be localized to a specific organ (depending on the metabolic needs of a particular tissue, as during strenuous exercise), or it may be systemic (seen throughout the entire systemic circulation).
Endogenous substances and drugs that cause vasodilation are termed vasodilators. Such vasoactivity is necessary for homeostasis (keeping the body running normally).» (wikipedia)
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Evidence Sources
Biolinks for Vasodilation are extracted by users from 6 related publications.-
2007Publications Review
- Strong Magnitude of Effect.
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2020Clinical Guideline
- Organism: Humans
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2018
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2001
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2017RCT
- Organism: Males
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