Spider veins
Spider veins
Spider veins (pronounced: /ˈspaɪdər veɪnz/), also known as telangiectasias (pronounced: /tɪˌlænʒiːˈeɪʃiːəz/), are small, dilated blood vessels that appear close to the surface of the skin and typically measure between 0.5 and 1 millimeter in diameter. They are named for their spider web-like appearance.
Etymology
The term "spider veins" is derived from their visual resemblance to a spider's web. The medical term "telangiectasias" comes from the Greek words telos (end), angeion (vessel), and ektasis (dilated), literally meaning "end vessel dilation."
Causes
Spider veins are caused by the dilation of a small group of blood vessels located close to the surface of the skin. Although they can appear anywhere on the body, they are most commonly found on the face and legs. Factors that contribute to the development of spider veins include heredity, pregnancy, hormonal shifts, weight gain, and occupations or activities that require prolonged sitting or standing.
Treatment
Treatment options for spider veins include sclerotherapy, laser surgery, and vein stripping. However, these treatments are often considered cosmetic, as spider veins typically do not pose a health risk.
Related Terms
- Varicose veins: Larger, bulging blood vessels that are deeper in the skin than spider veins.
- Venous insufficiency: A condition where the flow of blood through the veins is inadequate, causing blood to pool in the legs.
- Rosacea: A skin condition that causes redness and often small, red, pus-filled bumps on the face.
External links
- Medical encyclopedia article on Spider veins
- Wikipedia's article - Spider veins
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