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Definition of Accessory hemiazygous vein
1. Noun. A vein formed by the union of the 4th to 7th posterior intercostal veins; empties into the azygos vein.
Exact synonyms: Accessory Hemiazygos Vein, Vena Hemiazygos Accessoria
Generic synonyms: Vein, Vena, Venous Blood Vessel
Generic synonyms: Vein, Vena, Venous Blood Vessel