Definition of azygos vein in English:

azygos vein

nounˈazɪɡəsˈazəɡəs ˌvān

Anatomy

A large vein on the right side at the back of the thorax, draining into the superior vena cava.
〔剖〕奇静脉
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 vein

nounˈazəɡəs ˌvān

Anatomy

A large vein on the right side at the back of the thorax, draining into the superior vena cava.
〔剖〕奇静脉
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.

词汇	azygos vein
释义	Definition of azygos vein in English: azygos vein nounˈazɪɡəsˈazəɡəs ˌvān Anatomy A large vein on the right side at the back of the thorax, draining into the superior vena cava. 〔剖〕奇静脉 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 vein nounˈazəɡəs ˌvān Anatomy A large vein on the right side at the back of the thorax, draining into the superior vena cava. 〔剖〕奇静脉 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.
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