| venae intercostales posteriores | Veins draining the intercostal spaces posteriorly; those of the first 1-C space drain into the brachiocephalic veins; from spaces 2-3 they drain into right and left superior intercostal veins; from the fourth to the eleventh spaces on the right they are tributaries of the azygos vein; on the left they empty into either the hemiazygos or accessory hemiazygos veins. Synonym: venae intercostales posteriores. (05 Mar 2000) |
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| venae interlobares renis | The veins in the kidney that parallel the interlobar arteries, receiving blood from arcuate veins, and terminate in the renal vein. Synonym: venae interlobares renis. (05 Mar 2000) |
| venae interlobulares hepatis | The terminal branches of the portal vein that course in the portal canals between the conceptual liver lobules and empty into the liver sinusoids. Synonym: venae interlobulares hepatis. (05 Mar 2000) |
| venae interlobulares renis | They parallel the interlobular arteries and drain the peritubular capillary plexus, emptying into the arcuate veins. Synonym: venae interlobulares renis. (05 Mar 2000) |
| venae jejunales et ilei | The veins that drain the jejunum and ileum; they terminate in the superior mesenteric vein. Synonym: venae jejunales et ilei. (05 Mar 2000) |
| venae labiales anteriores | Tributaries of the femoral or external pudendal veins draining the mons pubis and anterior labia majora. Synonym: venae labiales anteriores. (05 Mar 2000) |
| venae labiales posteriores | They pass posteriorly from the labia majora and minora to the internal pudendal veins. Synonym: venae labiales posteriores. (05 Mar 2000) |
| venae labyrinthi | One or more veins accompanying the labyrinthine artery; they drain the internal ear, pass out through the internal acoustic meatus, and empty into the transverse sinus or the inferior petrosal sinus. Synonym: venae labyrinthi, internal auditory veins. (05 Mar 2000) |
| venae lumbales | Five in number, these veins accompany the lumbar arteries, drain the posterior body wall and the lumbar vertebral venous plexuses, and terminate anteriorly as follows: the first and second in the ascending lumbar vein, the third and fourth in the inferior vena cava, and the fifth in the iliolumbar vein; all communicate via the ascending lumbar veins. Synonym: venae lumbales. (05 Mar 2000) |
| venae mediastinales | Several small veins from the mediastinum emptying into the brachiocephalic veins or the superior vena cava. Synonym: venae mediastinales. (05 Mar 2000) |
| venae medullae oblongatae | Several veins draining the medulla oblongata; they are tributaries of the anterior spinal vein and the petrosal vein. Synonym: veins of medulla oblongata. (05 Mar 2000) |
| venae meningeae | Veins that accompany the meningeal arteries; they communicate with venous sinuses and diploic veins and drain into regional veins outside the cranial vault. Synonym: venae meningeae. (05 Mar 2000) |
| venae meningeae mediae | The venae comitantes of the middle meningeal artery that empty into the pterygoid plexus. Synonym: venae meningeae mediae. (05 Mar 2000) |
| venae mesencephalicae | Several veins draining the mesencephalon; the posterior ones are tributaries to the great cerebral vein; the lateral ones are tributaries to the basal vein. Synonym: mesencephalic veins. (05 Mar 2000) |
| venae metacarpeae dorsales | Three veins on the dorsum of the hand draining blood from the four medial digits into the dorsal venous network of the hand. Synonym: venae metacarpeae dorsales. (05 Mar 2000) |