Lumbar arteries

Lumbar arteries are a group of arteries that supply the lumbar vertebrae, the abdominal wall, and the spinal cord. The term "lumbar" is derived from the Latin word "lumbus," meaning loin.

Anatomy

The lumbar arteries are usually four in number on either side of the body, originating from the back of the aorta, opposite the bodies of the lumbar vertebrae. The arteries pass backward and laterally, and each artery is accompanied by a corresponding vein, the lumbar vein.

Function

The lumbar arteries supply blood to the lumbar region, the abdominal wall, and the spinal cord. They also play a role in maintaining the structural integrity of the vertebral column and the spinal cord.

Clinical significance

In certain medical conditions, such as aneurysm or lumbar disc herniation, the lumbar arteries may be affected. This can lead to symptoms such as back pain, numbness, or weakness in the lower body. In severe cases, it can lead to paralysis.

See also

• Abdominal aorta
• Lumbar vertebrae
• Lumbar vein
• Spinal cord

References

Lumbar arteries Resources
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