Ascending lumbar vein
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Details | |
Source | lumbar veins |
Identifiers | |
Latin | vena lumbalis ascendens |
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Anatomical terminology [[[d:Lua error in Module:Wikidata at line 865: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]] |
The ascending lumbar vein (vena lumbalis ascendens) is a vein that runs vertically along the posterior abdominal wall. It is an important component of the venous system and plays a crucial role in draining blood from the lumbar region of the body.
Anatomy[edit | edit source]
The ascending lumbar vein is formed by the union of the lumbar veins, which drain the posterior abdominal wall, the vertebral venous plexuses, and the muscles of the back. It ascends on each side of the vertebral column, running parallel to the inferior vena cava on the right and the aorta on the left.
Tributaries[edit | edit source]
The ascending lumbar vein receives blood from several sources, including:
- The lumbar veins
- The iliolumbar vein
- The lateral sacral veins
Connections[edit | edit source]
The ascending lumbar vein has significant connections with other major veins in the body. On the right side, it continues as the azygos vein, which ascends through the thorax and drains into the superior vena cava. On the left side, it continues as the hemiazygos vein, which also ascends through the thorax and eventually drains into the azygos vein.
Clinical significance[edit | edit source]
The ascending lumbar vein is of clinical importance due to its role in providing an alternative pathway for blood to return to the heart if the inferior vena cava is obstructed. It is also involved in the spread of metastatic cancer cells from the lumbar region to other parts of the body.
See also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD