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Other Topics›Vasodilation

Vasodilation

Vasodilation refers to the widening of blood vessels. It results from relaxation of smooth muscle cells within the vessel walls, particularly in the large veins, large arteries, and smaller arterioles. The process is essentially the opposite of vasoconstriction, which is the narrowing of blood vessels.
Dr. David Rosenfeld
Dr. David Rosenfeldreviewed this
Pain Management 29 years experience
How long it usually lasts:

Chronic (lasts years to lifelong)

How common is it?

Common

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