lumbar artery (Arteriae lumbales)
Educational content only — not medical advice.
Anatomy
Paired arteries arising from the posterior aspect of the abdominal aorta opposite the lumbar vertebrae, supplying the psoas, back muscles, and spinal cord.
Clinical notes
Leading cause of Type II endoleaks following endovascular abdominal aortic aneurysm repair (EVAR) through retrograde pressurization of the aneurysm sac.
Related structures
Educational references
FAQ
What is the role of the lumbar artery?
Paired arteries arising from the posterior aspect of the abdominal aorta opposite the lumbar vertebrae, supplying the psoas, back muscles, and spinal cord.
Why is the lumbar artery clinically important?
Leading cause of Type II endoleaks following endovascular abdominal aortic aneurysm repair (EVAR) through retrograde pressurization of the aneurysm sac.
Source & license
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