Concept
Version 9
Created by Boundless
Varicose Veins
Varicose Veins
Figure A shows a normal vein with a working valve and normal blood flow. Figure B shows a varicose vein with a deformed valve, abnormal blood flow, and thin, stretched walls. The middle image shows where varicose veins might appear in a leg.
Source
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"Varicose veins."
http://commons.wikimedia.org/wiki/File:Varicose_veins.jpg
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