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Normal Venous Blood Flow

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Normal Venous Blood Flow

Normal venous blood flow

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).

Current as of: May 1, 2026

Author: WebMD Ignite Staff
Clinical Review Board
All WebMD Ignite education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

Current as of: May 1, 2026

Author: WebMD Ignite Staff

Clinical Review Board
All WebMD Ignite education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

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This information does not replace the advice of a doctor. WebMD Ignite, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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