ALAIN POL - CNRI / SCIENCE PHOTO LIBRARY ALAIN POL - CNRI / SCIENCE PHOTO LIBRARY
Varicosed vein. Light micrograph of a section through a varicosed saphenous vein in the lower leg, showing its thickened wall. Varicose veins are veins that become swollen, lengthened and coiled. They form due to defective valves in the superficial veins, commonly in the legs, and may require surgical removal.
Model release not required. Property release not required.