The walls of your veins are made up of three different layers:
•Tunica externa. This is the outer layer of the vein wall, and it’s also the thickest. It’s mostly mad… See more

Pulmonary and systemic veins
Your body circulates blood on two different tracks called the systemic circuit and the pulmonary circuit. Veins are based on the circuit they’… See more

Many conditions can affect your venous system. Some of the most common ones include:
•Deep vein thrombosis (DVT). A blood clot forms in a d… See more

While the symptoms of a venous condition can vary widely, some common ones include:
•inflammation or swelling
•tendernes… See more