ascending lumbar vein
noun
: a longitudinal vein on each side that connects the lumbar veins and is frequently the origin of the azygos vein on the right side and of the hemiazygos vein on the left
Cite this Entry
“Ascending lumbar vein.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ascending%20lumbar%20vein. Accessed 19 Jul. 2025.
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