| sinus of the vena cava | The portion of the cavity of the right atrium of the heart that receives the blood from the venae cavae; it is separated from the rest of the atrium by the crista terminalis. Synonym: sinus venarum cavarum. (05 Mar 2000) |
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| sulcus for vena cava | A groove on the posterior surface of the liver between the caudate lobe and the right lobe which gives passage to the inferior vena cava. Synonym: sulcus venae cavae, fossa venae cavae, sulcus for vena cava. (05 Mar 2000) |
| superior vena cava | <anatomy> The major venous channel draining the thorax and head which ends in the right atrium. (19 Jan 1998) |
| superior vena cava obstruction | <cardiology, oncology> Blockage or narrowing of the superior vena cava, the major vein draining the upper body. May result from lymphoma, liver tumours, tuberculosis, histoplasmosis and aortic aneurysm. (19 Jan 1998) |
| superior vena cava syndrome | <syndrome> A narrowing or obstruction of the superior vena cava. Symptoms include facial swelling, arm swelling, neck swelling, headache, dizziness, fainting and reddening of the face and palms. This may occur secondary to cancer or other inflammatory conditions (tuberculosis, histoplasmosis). See: superior vena cava obstruction (19 Jan 1998) |
| inferior vena cava | The large venous trunk which receives blood from the lower extremities and from the pelvic and abdominal organs. It travels through the abdomen (from the lower extremities) and returns blood to the right atrium of the heart. (20 Sep 2002) |
| inferior vena cava filter | <radiology> Indications: contraindication to anticoagulation, failure of anticoagulation, complication of anticoagulation: haemorrhage or thrombocytopenia, large free-floating IVC/iliac vein thrombus expanded indications: cor pulmonale and DVT/PE, patients with high risk of complications to anticoagulation, metastatic disease, syncope in elderly, prophylactic placement in high-risk trauma patients, spinal cord injury, severe head injury, complex pelvic fractures, multiple long bone fractures, prophylactic placement before hip/knee replacement in patients with prior DVT prophylactic filters remain controversial see also: types of IVC filters (12 Dec 1998) |
| opening of inferior vena cava | The orifice through which the inferior vena cava opens into the right atrium. Synonym: ostium venae cavae inferioris, orifice of inferior vena cava. (05 Mar 2000) |
| opening of superior vena cava | The point of entry of the superior vena cava into the right atrium. Synonym: ostium venae cavae superioris, orifice of superior vena cava. (05 Mar 2000) |
| orifice of inferior vena cava | The orifice through which the inferior vena cava opens into the right atrium. Synonym: ostium venae cavae inferioris, orifice of inferior vena cava. (05 Mar 2000) |
| orifice of superior vena cava | The point of entry of the superior vena cava into the right atrium. Synonym: ostium venae cavae superioris, orifice of superior vena cava. (05 Mar 2000) |
| fold of left vena cava | A pericardial fold lying between the left oblique vein of the atrium and the left superior pulmonary vein containing the obliterated remains of the left superior vena cava. Synonym: plica venae cavae sinistrae, Marshall's vestigial fold, vestigial fold. (05 Mar 2000) |
| foramen of vena cava | An opening in the right lobe of the central tendon of the diaphragm which transmits the inferior vena cava and branches of the right phrenic nerve. Synonym: foramen venae cavae, foramen of vena cava, foramen quadratum. (05 Mar 2000) |
| ligament of left superior vena cava | The obliterated left common cardinal vein that extends from the left brachiocephalic vein to the oblique vein of the left atrium. (05 Mar 2000) |
| ligament of left vena cava | The obliterated left common cardinal vein; it extends from the left brachiocephalic vein to the oblique vein of the left atrium. Synonym: ligamentum venae cavae sinistrae. (05 Mar 2000) |