The azygos vein (from Ancient Greek ἄζυγος (ázugos), meaning 'unwedded' or 'unpaired') is a vein running up the right side of the thoracic vertebral column draining itself towards the superior vena cava.

Oct 30, 2023 · Azygos vein (Vena azygos) The azygos venous system is located on either side of the vertebral column and drains the viscera within the mediastinum, as well as the back and thoracoabdominal walls. This system consists of the azygos vein and its two main tributaries: the hemiazygos vein and the accessory hemiazygos vein.

Oct 14, 2024 · The azygos vein is a unilateral vessel that ascends in the thorax to the right of the vertebral column, carrying deoxygenated blood from the posterior chest and abdominal walls. It forms part of the azygos venous system .

The azygos vein, part of the azygos venous system, helps move blood from your chest and abdomen back to your heart, where it receives oxygen. Your healthcare provider is a great resource for steps you can take to help keep your veins healthy.

Mar 8, 2025 · The azygos vein is a blood vessel running along the right side of your spine in the chest cavity. This vein is part of a network that collects deoxygenated blood from the chest wall, esophagus, and other thoracic structures, returning it to the heart through the superior vena cava.

The azygos venous system represents an accessory venous pathway supplying an important collateral circulation between the superior and inferior vena cava. The aim of this article is to revise the wide spectrum of changes ranging from normal to pathological conditions involving the azygos system. Teaching points.

Jul 30, 2023 · The azygos vein is a unilateral vessel that ascends in the right posterior mediastinum along the right border of the inferior eight thoracic vertebrae. In some instances, the azygos vein can travel in the midline along the top of the thoracic vertebrae.

Oct 6, 2024 · The azygos venous system , also known as just the azygos system, is a collective term given to the H-shaped configuration of the azygos, hemiazygos, accessory hemiazygos and left superior intercostal veins. It is responsible for draining the thoracic wall and upper lumbar region via the lumbar veins and posterior intercostal veins 1.

Jan 23, 2025 · The azygos vein is a major vein located along the right side of the thoracic vertebral column. It originates from the union of the right lumbar vein and the right subcostal vein or as a continuation of the inferior vena cava. It ascends through the posterior mediastinum, running upward along the right side of the

Aug 8, 2018 · The azygos vein is present only on the right side in the upper part of the posterior abdominal wall and the posterior mediastinum. It attaches the inferior vena cava together with the superior vena cava. It comprises of valves and might appear tortuous. The functions of azygos vein are as follows: