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These veins are noted for being valveless, believed to be the reason for metastasis of certain cancers. A subcutaneous venous plexus is continuous, and a high rate of flow is supplied by small arteriovenous anastomoses. The high rate of flow ensures heat transfer to the vein wall. [19]
To vet was originally a horse-racing term, referring to the requirement that a horse be checked for health and soundness by a veterinarian before being allowed to race. Thus, it has taken the general meaning "to check". [2] It is a figurative contraction of veterinarian, which originated in the mid-17th century.
[citation needed] By definition, a vein is a blood vessel that carries blood to the heart, whether oxygenated or deoxygenated. A groundbreaking study published in 1998 identified the pulmonary vein as the predominant trigger for atrial fibrillation . [ 3 ]
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.
White veins in dark rock at Imperia, Italy. In geology, a vein is a distinct sheetlike body of crystallized minerals within a rock.Veins form when mineral constituents carried by an aqueous solution within the rock mass are deposited through precipitation.
The internal jugular vein is formed by the anastomosis of blood from the sigmoid sinus of the dura mater and the inferior petrosal sinus.The internal jugular runs with the common carotid artery and vagus nerve inside the carotid sheath.
Evening in Parambikkulam, Kerala, India View on the bay of Naples, overlooking Mount Vesuvius at 7:30 p.m. local solar (standard) time Evening is the period of a day that begins at the end of daylight and overlaps with the beginning of night. [1]
The basilic vein is a large superficial vein of the upper limb that helps drain parts of the hand and forearm. [1] It originates on the medial side of the dorsal venous network of the hand and travels up the base of the forearm, where its course is generally visible through the skin as it travels in the subcutaneous fat and fascia lying superficial to the muscles.