accessory hemiazygos vein

Noun
  1. A vein formed by the union of the 4th to 7th posterior intercostal veins;
    Empties into the azygos vein (synset 105364205)
    is a type of: vein, vena, venous blood vessel - a blood vessel that carries blood from the capillaries toward the heart
    same as: accessory hemiazygous vein, vena hemiazygos accessoria

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