Ascending lumbar vein
The ascending lumbar vein is a vein that runs up through the lumbar region on the side of the vertebral column.
| Ascending lumbar vein | |
|---|---|
 The venae cavae and azygos veins with their tributaries. | |
| Details | |
| Drains from | Lateral sacral veins |
| Drains to | Azygos vein and hemiazygos vein |
| Identifiers | |
| Latin | Vena lumbalis ascendens |
| TA | A12.3.07.011 A12.3.09.004 |
| FMA | 12858 |
| Anatomical terminology | |
Structure
The ascending lumbar vein is a paired structure (i.e. one each for the right and left sides of the body). It starts at the lateral sacral veins, and it runs superiorly, intersecting with the lumbar veins as it crosses them.
When the ascending lumbar vein crosses the subcostal vein, it becomes one of the following:
- the azygos vein (in the case of the right ascending lumbar vein)
- the hemiazygos vein (in the case of the left ascending lumbar vein)
- The first and second lumbar veins ends in the ascending lumbar vein(the third and fourth lumbar veins open into the posterior aspect of the inferior vena cava)
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External links
- thoraxlesson5 at The Anatomy Lesson by Wesley Norman (Georgetown University) (postmediastinumlevel5)
- figures/chapter_29/29-4.HTM: Basic Human Anatomy at Dartmouth Medical School
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