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Definition of Venous aneurysm

Venous aneurysm: A localized widening and bulging of a vein. At the area of a venous aneurysm, the vein wall is weakened and may rupture.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=6128
Last Editorial Review: 3/19/2012

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