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“accessory hemiazygos vein”
The descending intercepting trunk for the upper, often the fourth through the eighth, left posterior intercostal veins:
The accessory hemiazygos vein lies on the left side, and at the eighth thoracic vertebra it joins the hemiazygos vein, or crosses to the right side to join the azygos vein directly.
This entry is located in the following unit:
zygo-, zyg-, -zygous; zygomatico- +
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