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Definition of Coarctation

Coarctation: A narrowing, stricture, or constriction of an artery. The sides of the vessel at the point of a coarctation appear to be pressed together.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=6543
Last Editorial Review: 3/19/2012

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