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单词 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.

    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.

    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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更新时间:2024/12/23 15:05:38