For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope with high pressure blood flow and the veins contain valves to prevent the ...

This is a type of vascular ultrasound procedure done to assess blood flow and the structure of the leg veins. The term "duplex" refers to the fact that two modes of ultrasound are used - Doppler and B ...

The venous anatomy of the lower leg is made up of two ... above the muscle fascia in the subcutaneous tissues. The principal veins in the superficial system are the great saphenous vein (GSV ...

Spider veins on your legs, face, and feet can cause embarrassment and make you hesitate to show off your skin. These veins are very small pink or purple vessels that look like webs or strings just ...