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  2. Near-infrared vein finder - Wikipedia

    en.wikipedia.org/wiki/Near-infrared_vein_finder

    A labelled diagram of the major arteries and veins of the human body. Near-infrared vein finder are medical devices used to try to increase the ability of healthcare providers to see veins . [ 1 ] They use near-infrared light reflection to create a map of the veins. [ 1 ]

  3. Vein matching - Wikipedia

    en.wikipedia.org/wiki/Vein_matching

    He developed what was essentially a barcode reader for use on the human body and assigned the rights to the UK's NRDC (National Research Development Corporation). [7] The NRDC/ BTG (Thatcher privatised NRDC into BTG) made little headway in licensing vein pattern technology. The world was wedded to fingerprints and Iris patterns and governments ...

  4. Vascularity - Wikipedia

    en.wikipedia.org/wiki/Vascularity

    Vascularity, in bodybuilding, is the condition of having many highly visible, prominent, and often extensively-ramified superficial veins. [1] The skin appears "thin"—sometimes virtually transparent—due to an extreme reduction of subcutaneous fat, allowing for maximum muscle definition. [citation needed]

  5. Superficial vein - Wikipedia

    en.wikipedia.org/wiki/Superficial_vein

    Veins become more visually prominent when lifting heavy weight, especially after a period of proper strength training. Physiologically, the superficial veins are not as important as the deep veins (as they carry less blood) and are sometimes removed in a procedure called vein stripping, which is used to treat varicose veins.

  6. Blood vessel - Wikipedia

    en.wikipedia.org/wiki/Blood_vessel

    Anastomoses provide alternative routes for blood to flow through in case of blockages. Veins can have valves that prevent the backflow of the blood that was being pumped against gravity by the surrounding muscles. [8] In humans, arteries do not have valves except for the two 'arteries' that originate from the heart's ventricles. [9]

  7. Venous blood - Wikipedia

    en.wikipedia.org/wiki/Venous_blood

    Though veins might make it appear as such, human blood is never naturally blue. [3] The blue appearance of surface veins is caused mostly by the scattering of blue light away from the outside of venous tissue if the vein is at 0.5 mm deep or more. Veins and arteries appear similar when skin is removed and are seen directly. [4] [5]

  8. Varicose veins - Wikipedia

    en.wikipedia.org/wiki/Varicose_veins

    The distal veins are removed following the complete ablation of the proximal vein. This treatment is most commonly used for varicose veins off of the great saphenous vein, small saphenous vein, and pudendal veins. [60] Follow-up treatment to smaller branch varicose veins is often needed in the weeks or months after the initial procedure.

  9. Pulse - Wikipedia

    en.wikipedia.org/wiki/Pulse

    In medicine, the pulse is the rhythmic throbbing of each artery in response to the cardiac cycle (heartbeat). [1] The pulse may be palpated in any place that allows an artery to be compressed near the surface of the body, such as at the neck (carotid artery), wrist (radial artery or ulnar artery), at the groin (femoral artery), behind the knee (popliteal artery), near the ankle joint ...