Hemiazygos vein

Rarity: Common

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Notion

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Science and technology

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What Wikipedia says

The hemiazygos vein (vena azygos minor inferior) is a vein running superiorly in the lower thoracic region, just to the left side of the vertebral column.

Excerpt from the Wikipedia article “Hemiazygos vein”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Henry Vandyke Carter, Public domain, via Wikimedia Commons.