Overview
Related questions
Overview
Related questions
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Vasoconstriction
Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, particularly the large arteries and small arterioles. The process is the opposite of vasodilation, the widening of blood vessels. The process is particularly important in staunching hemorrhage and acute blood loss.
How long it usually lasts:
Chronic (lasts years to lifelong)
How common is it?
Rare
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