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The inferior vena cava is a large vein that carries the deoxygenated blood from the lower and middle body into the right atrium of the heart. It is formed by the joining of the right and the left common iliac veins , usually at the level of the fifth lumbar vertebra .
Interior of right side of heart. (Valve of inf. vena cava labeled at lower left.) View of the inferior vena cava ostium (IVCO) with Eustachian valve (EusV) present in a human heart. The valve of the inferior vena cava ( Eustachian valve) is a venous valve that lies at the junction of the inferior vena cava and right atrium .
Venae cavae. In anatomy, the venae cavae ( / ˈviːni ˈkeɪvi /; [1] sg.: vena cava / ˈviːnə ˈkeɪvə /; from Latin 'hollow veins') [2] are two large veins ( great vessels) that return deoxygenated blood from the body into the heart. In humans they are the superior vena cava and the inferior vena cava, and both empty into the right atrium. [3]
Cardiology. Frequency. 5-10 out of 100,000 (From 1 in 10,000-20,000) Inferior vena cava syndrome ( IVCS) is a very rare constellation of symptoms resulting from either an obstruction, or stenosis of the inferior vena cava. It can be caused by physical invasion or compression by a pathological process or by thrombosis within the vein itself.
IVC filter. Specialty. Cardiovascular. [ edit on Wikidata] An inferior vena cava filter is a medical device made of metal that is implanted by vascular surgeons or interventional radiologists into the inferior vena cava to prevent a life-threatening pulmonary embolism (PE) or venous thromboembolism (VTE). [2] [3] The filter is designed to trap ...
The inferior vena cava passes through the caval opening, a quadrilateral opening at the junction of the right and middle leaflets of the central tendon, so that its margins are tendinous. Surrounded by tendons, the opening is stretched open every time inspiration occurs.
The hepatic vein subsequently drains into the inferior vena cava. The hepatic artery provides 30 to 40% of the oxygen to the liver, while only accounting for 25% of the total liver blood flow. The rest comes from the partially deoxygenated blood from the portal vein. The liver consumes about 20% of the total body oxygen when at rest.
FMA. 14334. Anatomical terminology. [ edit on Wikidata] The renal veins in the renal circulation, are large-calibre [1] veins that drain blood filtered by the kidneys into the inferior vena cava. There is one renal vein draining each kidney. [citation needed] Each renal vein is formed by the convergence of the interlobar veins of one kidney.