Superficial vein is a term used to describe a vein that is close to the surface of the body. In the Circulatory system, a vein is a Blood vessel that carries Blood back toward the Heart (as opposed to Artery, a blood vessel It is used to differentiate veins that are close to the surface from veins that are far from the surface, known as deep veins. Deep vein is a term used to describe a Vein that is deep in the body
Superficial veins are not paired with an artery, unlike the deep veins, which typically have an artery with the same name close by. Arteries are Blood vessels that carry blood away from the Heart.
Superficial veins are important physiologically for cooling of the body. Physiology (from Greek grc φύσις physis, "nature origin" and grc -λογία -logia) is the study of the mechanical physical With regard to living things, a body is the integral physical material of an individual When the body is too hot the body shunts blood from the deep veins to the superficial veins, to facilitate heat transfer to the surroundings. Deep vein is a term used to describe a Vein that is deep in the body In thermal physics, heat transfer is the passage of Thermal energy from a hot to a colder body Superficial veins can be seen under the skin. Ones below the level of the heart tend to bulge out. An immediate way to see this by looking at your hand: raise it above your heart and the blood should drain--lower it below your heart it will fill. Veins become more visually prominent when lifting heavy weight, especially after a period of proper strength training. Strength training is the use of resistance to muscular contraction to build the strength, anaerobic endurance and size of Skeletal muscles There
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. Vein stripping is a surgical procedure done under General anaesthetic to remove Varicose veins. Varicose veins are Veins that have become enlarged and twisted
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Some named superficial veins
Upper limb
- cephalic vein
- median cubital vein - often used to draw blood (venipuncture). The external jugular vein receives the greater part of the blood from the exterior of the Cranium and the deep parts of the Face, being formed by the junction of the In Human anatomy, the cephalic vein is a Superficial vein of the Upper limb. In Human anatomy, the median cubital vein (or median basilic vein) a Superficial vein of the Upper limb. In medicine venipuncture or venepuncture (also known as phlebotomy, venesection, blood draw, drawing blood or taking blood
- basilic vein
Lower limb
See also
External links
- The Veins of the Lower Extremity, Abdomen, and Pelvis - Gray's Anatomy. In Human anatomy, the basilic vein is a large Superficial vein of the Upper limb that helps drain parts of hand and Forearm. The small saphenous vein (also lesser saphenous vein) is a relatively large Vein of the superficial posterior Leg. The great saphenous vein (GSV, also greater saphenous vein, is the large (subcutaneous Superficial vein of the Leg and Thigh. Varicose veins are Veins that have become enlarged and twisted Deep vein is a term used to describe a Vein that is deep in the body Henry Gray's Anatomy of the Human Body (or Gray's Anatomy as it has commonly been shortened is an English-language Human anatomy Textbook
- Varicose vein therapy - medlineplus. org
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