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  2. Vein - Wikipedia

    en.wikipedia.org/wiki/Vein

    Veins have less smooth muscle and connective tissue and wider internal diameters than arteries. Because of their thinner walls and wider lumens they are able to expand and hold more blood. This greater capacity gives them the term of capacitance vessels. At any time, nearly 70% of the total volume of blood in the human body is in the veins. [3]

  3. Blood vessel - Wikipedia

    en.wikipedia.org/wiki/Blood_vessel

    Oxygen-poor blood enters the right side of the heart through two large veins. Oxygen-rich blood from the lungs enters through the pulmonary veins on the left side of the heart into the aorta and then reaches the rest of the body. The capillaries are responsible for allowing the blood to receive oxygen through tiny air sacs in the lungs.

  4. Ultrasonography of chronic venous insufficiency of the legs

    en.wikipedia.org/wiki/Ultrasonography_of_chronic...

    [33] All veins which are between the skin and the superficial fascia are tributaries, and all veins which cross the deep fascia to join the deep venous system are perforator veins. [34] Three anatomic compartments can be described, as networks: N1 contains the deep veins, also known as the deep compartment.

  5. Health informatics - Wikipedia

    en.wikipedia.org/wiki/Health_informatics

    Various health care facilities had instigated different kinds of health information technology systems in the provision of patient care, such as electronic health records (EHRs), computerized charting, etc. [104] The growing popularity of health information technology systems and the escalation in the amount of health information that can be ...

  6. Blood test - Wikipedia

    en.wikipedia.org/wiki/Blood_test

    A venipuncture performed using a vacutainer. A venipuncture is useful as it is a minimally invasive way to obtain cells and extracellular fluid from the body for analysis.. Blood flows throughout the body, acting as a medium that provides oxygen and nutrients to tissues and carries waste products back to the excretory systems for disp

  7. Peripheral vascular system - Wikipedia

    en.wikipedia.org/wiki/Peripheral_vascular_system

    The peripheral vascular system is the part of the circulatory system that consists of the veins and arteries not in the chest or abdomen (i.e. in the arms, hands, legs and feet). [1] [2] The peripheral arteries supply oxygenated blood to the body, and the peripheral veins lead deoxygenated blood from the capillaries in the extremities back to ...

  8. List of veins of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_veins_of_the_human...

    A list of veins in the human body: Veins of the heart. Coronary sinus. Great cardiac vein; Oblique vein of left atrium; Middle cardiac vein; Small cardiac vein

  9. Great saphenous vein - Wikipedia

    en.wikipedia.org/wiki/Great_saphenous_vein

    The great saphenous vein (GSV) or long saphenous vein (/ s ə ˈ f iː n ə s /) is a large, subcutaneous, superficial vein of the leg. It is the longest vein in the body, running along the length of the lower limb, returning blood from the foot , leg and thigh to the deep femoral vein at the femoral triangle .