| vena arteriosa | <anatomy, vein> So called because it ramifies like an artery (portal vein) or because, while proceeding from the heart like an artery, it contains unoxygenated blood, like a vein (pulmonary artery). Synonym: vena arteriosa. (05 Mar 2000) |
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| vena atrii lateralis | A vein draining deep portions of the temporal and parietal lobes; it runs in the lateral wall of the lateral ventricle to terminate in the superior thalamostriate vein. Synonym: vena ventriculi lateralis lateralis, lateral atrial vein, lateral vein of lateral ventricle. (05 Mar 2000) |
| vena atrii medialis | A vein that drains deep portions of the parietal and occipital lobes; it runs in the medial wall of the lateral ventricle to empty into the internal cerebral vein or the great cerebral vein. Synonym: vena ventriculi lateralis medialis, medial atrial vein, medial vein of lateral ventricle. (05 Mar 2000) |
| vena auricularis anterior | <anatomy, vein> One of several veins draining the auricle and acoustic meatus and emptying into the retromandibular vein. Synonym: vena auricularis anterior, vena preauricularis. (05 Mar 2000) |
| vena auricularis posterior | <anatomy, vein> Drains the region posterior to the ear then merges with the retromandibular vein to form the external jugular vein. Synonym: vena auricularis posterior. (05 Mar 2000) |
| vena axillaris | <anatomy, vein> The venous trunk of the upper limb; a continuation of the basilar and brachial veins running from the lower border of the teres major muscle to the outer border of the first rib where it becomes the subclavian vein. (12 Dec 1998) |
| vena azygos | <anatomy, vein> A vein which arises from the right ascending lumbar vein or the vena cava, enters the thorax through the aortic orifice in the diaphragm, and terminates in the superior vena cava. (12 Dec 1998) |
| vena azygos major | <anatomy, vein> A vein which arises from the right ascending lumbar vein or the vena cava, enters the thorax through the aortic orifice in the diaphragm, and terminates in the superior vena cava. (12 Dec 1998) |
| vena azygos minor inferior | <anatomy, vein> Formed by the merger of the left ascending lumbar vein with the left subcostal vein or a communication from the inferior vena cava, it pierces the left crus of the diaphragm, ascends along the left side of the bodies of the lower thoracic vertebrae, opposite the eighth vertebra, crosses the midline behind the aorta, thoracic duct, and oesophagus, and empties into the azygos vein, sometimes in common with the accessory hemiazygos vein. Synonym: vena hemiazygos, vena azygos minor inferior. (05 Mar 2000) |
| vena azygos minor superior | <anatomy, vein> Formed by the union of the fourth to seventh left posterior intercostal veins, passes along the side of the bodies of the fifth, sixth, and seventh thoracic vertebrae, then crosses the midline behind the aorta, oesophagus, and thoracic duct, and empties into the azygos vein, sometimes in common with the hemiazygos vein. Synonym: vena hemiazygos accessoria, vena azygos minor superior. (05 Mar 2000) |
| vena basalis | A large vein passing caudally and dorsally along the medial surface of the temporal lobe from which it receives tributaries; it empties into the great cerebral vein (of Galen) from the lateral side. Synonym: vena basalis, Rosenthal's vein. (05 Mar 2000) |
| vena basalis communis | <anatomy, vein> The tributary to the inferior pulmonary vein (right and left) that receives blood from the superior and inferior basal veins. Synonym: vena basalis communis. (05 Mar 2000) |
| vena basalis inferior | <anatomy, vein> Tributary to the common basal vein draining the medial and posterior part of the inferior lobe in each lung. Synonym: vena basalis inferior. (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 basilica | <anatomy, vein> Arises from the ulnar side of the dorsal venous network of the hand; it curves around the medial side of the forearm, communicates with the cephalic vein via the median cubital vein, and passes up the medial side of the arm to join the axillary vein. Synonym: vena basilica. (05 Mar 2000) |