| lobus azygos | A small accessory lobe sometimes found on the apex of the right lung; separated from the rest of the upper lobe by a deep groove lodging the azygos vein. Synonym: lobus azygos. (05 Mar 2000) |
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| lymph node of azygos arch | A lymph node of the posterior mediastinal group located adjacent to the arch of the azygos vein. Synonym: nodus lymphaticus arcus venae azygos. (05 Mar 2000) |
| vena anastomotica superior | <anatomy, vein> A large communicating vein between the superficial middle cerebral vein and the superior sagittal sinus; it passes upward from the lateral sulcus, often following the line of the central sulcus (Rolando's fissure). Synonym: vena anastomotica superior, Trolard's vein. (05 Mar 2000) |
| vena basalis superior | <anatomy, vein> Tributary to the common basal vein draining the lateral and anterior part of the inferior lobe of each lung. Synonym: vena basalis superior. (05 Mar 2000) |
| vena cava superior | superior vena cava Previous: vena cava filter, vena cava filters, vena cava inferior, vena caval foramenNext: vena cava, superior, venacavographyvena cava, superior The venous trunk which returns blood from the head, neck, upper extremities and chest. (12 Dec 1998) |
| vena cava, superior | superior vena cava Previous: vena cava filter, vena cava filters, vena cava inferior, vena caval foramenNext: vena cava, superior, venacavographyvena cava, superior The venous trunk which returns blood from the head, neck, upper extremities and chest. (12 Dec 1998) |
| vena choroidea superior | <anatomy, vein> A tortuous vein that follows the choroid plexus of the lateral ventricle and unites with the superior thalamostriate vein and the anterior vein of the transparent septum to form the internal cerebral vein. Synonym: vena choroidea superior. (05 Mar 2000) |
| vena haemorrhoidalis superior | Outmoded term for superior rectal vein. (05 Mar 2000) |
| vena intercostalis superior dextra | <anatomy, vein> A tributary of the azygos vein formed by the union of the right second, third, and fourth posterior intercostal veins. Synonym: vena intercostalis superior dextra. (05 Mar 2000) |
| vena intercostalis superior sinistra | <anatomy, vein> The vein formed by the union of the left second, third, and fourth intercostal veins; it passes forward across the arch of the aorta to empty into the left brachiocephalic vein and frequently communicates also with the accessory hemiazygos vein. Synonym: vena intercostalis superior sinistra. (05 Mar 2000) |
| vena labialis superior | <anatomy, vein> Veins taking blood from the upper lip and discharging into the facial vein. Synonym: vena labialis superior. (05 Mar 2000) |
| vena laryngea superior | <anatomy, vein> Vein which accompanies the superior laryngeal artery and empties into the superior thyroid vein. Synonym: vena laryngea superior. (05 Mar 2000) |
| vena mesenterica superior | <anatomy, vein> Begins at the ileum in the right iliac fossa, ascends in the root of the mesentery, and unites behind the pancreas with the splenic vein to form the hepatic portal vein. Synonym: vena mesenterica superior. (05 Mar 2000) |
| vena ophthalmica superior | <anatomy, vein> Begins anteriorly from the nasofrontal vein, passes along the upper part of the medial wall of the orbit, passes through the superior orbital fissure, to empty into the cavernous sinus. Synonym: vena ophthalmica superior. (05 Mar 2000) |
| vena pulmonalis superior dextra | <anatomy, vein> The vein returning oxygenated blood from the superior and middle lobes of the right lung to the left atrium. Synonym: vena pulmonalis superior dextra. (05 Mar 2000) |