What are Varicose Veins and Spider Veins?


Before learning more about these, let’s begin with some varicose and spider veins facts.

  • Veins help in carrying blood that is low in oxygen from the body to the heart and lungs. But varicose veins can cause aching and ulceration of legs.
  • Varicose veins are caused because of weak valves in the veins or weak walls of the veins or by vein inflammation or phlebitis.
  • Varicose and spider veins are not at all dangerous, although there are few rare cases.
  • Traitement des varices is done by procedures like surgery, laser ablation, radiofrequency, or other means are necessary where veins make appear certain symptoms that cannot be cured by non interventional treatment.
  • It can be treated with surgery, sclerotherapy, and other techniques.

Veins and their functions

Veins are blood vessels that transport blood to all the body organs and then towards the heart. When various organs use oxygen from the blood to function, they release blood that bears wastes like Co2 into the veins. Blood in the veins is then taken to heart, and then returned to the lungs where the waste Co2 is released, and more oxygen is brought to the blood, and taken to the entire body by the arteries.

Veins also store unused blood. When you’re resting, only tiny blood in the body circulates. The rest of the blood in inactive in the veins, and the active circulation takes place when the body is more active. The latter needs more blood to take oxygen to the entire body. This storage is possible because of the elasticity of the vein walls. Veins have various sizes that vary based on their location and function. The largest one is located in the center, which collects the blood from other smaller veins and then to the heart. The branches of these veins get smaller when they move away from the body center. The veins closer to the skin surface are referred to as superficial veins. The deeper veins which are located near to the body center are called deep veins. The veins that connect superficial veins to the deep ones are called perforating veins.

Varicose Veins and Spider Veins

When veins fail to circulate blood properly, they tend to bulge with pools of blood. These bulging veins are called varicose veins, and commonly occurs in legs and thighs. Larger varicose veins can be easily seen. There are small spider veins too. They are short, clustered, or seem like a web like maze. Spider veins also occur in thighs, ankle, and feet. Sometimes they show up on the face too. Telangiectasias is the medical term for spider veins.

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