accessory hemiazygos vein


: a vein that drains the upper left side of the thoracic wall, descends along the left side of the spinal column, and empties into the azygos or hemiazygos veins near the middle of the thorax

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Cite this Entry

“Accessory hemiazygos vein.” Medical Dictionary, Merriam-Webster, Accessed 19 Apr. 2024.

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