| 21. | All the veins empty into the inferior vena cava at the back of the liver.
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| 22. | On the right, the gonadal veins and suprarenal veins drain into the inferior vena cava directly.
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| 23. | If the aneurysm stretches too far, it can narrow the opening of the inferior vena cava.
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| 24. | This was described in relation to retrocaval ureter ( now renamed as preureteric vena cava ).
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| 25. | Implantation involves anastomoses ( connections ) of the inferior vena cava, portal vein, and hepatic artery.
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| 26. | Following birth and separation from the placenta, the oxygen content in the inferior vena cava falls.
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| 27. | Blockage of the inferior vena cava is rare, and is treated urgently as a life-threatening condition.
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| 28. | Blood from here does not flow through the liver prior to entering the inferior vena cava.
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| 29. | The bottom evolves into : the inferior valve of the vena cava and the coronary sinus valve.
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| 30. | By contrast, all the lumbar veins and hepatic veins usually drain directly into the inferior vena cava.
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