Vein Glossary

Below is a glossary of terms related to all aspects of venous disease

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The lumen is the opening inside of the vein in which blood flows.

Refers to the formation of a new lumen after treatment of veins with heat ablation.

This is a thin tissue in the lumen of the vein itself. When working properly, the valve prevents blood from leaking back down the vein the wrong way. Valves may not work right due to hereditary or previous clots.