释义 |
Definition of azygos vein in English: azygos veinnounˈazɪɡəsˈazəɡəs ˌvān Anatomy A large vein on the right side at the back of the thorax, draining into the superior vena cava. Example sentencesExamples - A persistent left superior vena cava may be associated with the presence of two azygos veins.
- Other unusual sites of drainage include the coronary sinus, inferior vena cava, azygos vein, left subclavian vein, portal vein, and left persistent superior vena cava.
- When this occurs the posterior intercostal veins on the left side of the thorax may drain into the azygos vein independently.
- The thoracic duct has also been found draining into the azygos vein and the inferior vena cava.
- The thoracic duct is located slightly ventral and medial to the azygos vein.
Origin Mid 17th century: azygos from Greek azugos, from a- 'without' + zugon 'yoke', the vein not being one of a pair. Definition of azygos vein in US English: azygos veinnounˈazəɡəs ˌvān Anatomy A large vein on the right side at the back of the thorax, draining into the superior vena cava. Example sentencesExamples - A persistent left superior vena cava may be associated with the presence of two azygos veins.
- The thoracic duct is located slightly ventral and medial to the azygos vein.
- The thoracic duct has also been found draining into the azygos vein and the inferior vena cava.
- Other unusual sites of drainage include the coronary sinus, inferior vena cava, azygos vein, left subclavian vein, portal vein, and left persistent superior vena cava.
- When this occurs the posterior intercostal veins on the left side of the thorax may drain into the azygos vein independently.
Origin Mid 17th century: azygos from Greek azugos, from a- ‘without’ + zugon ‘yoke’, the vein not being one of a pair. |