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Normal Venous Blood Flow

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In healthy veins, the blood flows in one direction. The valves of the vein allow blood flow in the right direction and prevent blood from flowing in the wrong direction. This keeps blood cells from collecting in the vein and forming a blood clot (called a thrombus).

ByHealthwise Staff
Primary Medical ReviewerAdam Husney, MD - Family Medicine
Specialist Medical ReviewerHoward Schaff, MD - Diagnostic Radiology
Last RevisedJune 28, 2011

WebMD Medical Reference from Healthwise

Last Updated: June 28, 2011
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

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