azygous vein

azygous vein
noun
one of a system of veins that drain the thoracic and abdominal walls; arises as a continuation of the right ascending lumbar vein and terminates in the superior vena cava
Syn: ↑azygos vein, ↑vena azygos
Hypernyms: ↑vein, ↑vena, ↑venous blood vessel

* * *

noun
: any of a system of three veins which drain the thoracic wall and much of the abdominal wall and which form a collateral circulation when either the inferior or superior vena cava is obstructed; especially : a vein that receives blood from the right half of the thoracic and abdominal walls, ascends along the right side of the vertebral column, and empties into the superior vena cava — see hemiazygous vein

Useful english dictionary. 2012.

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Look at other dictionaries:

  • right azygous vein — noun : the azygous vein on the right side of the vertebral column …   Useful english dictionary

  • hemiazygous vein — “+... noun Etymology: New Latin hemiazygos, from hemi (I) + azygos : the left azygous vein passing up on the left side, crossing ventral to the vertebral column, and joining the right azygous vein …   Useful english dictionary

  • azygos vein — noun one of a system of veins that drain the thoracic and abdominal walls; arises as a continuation of the right ascending lumbar vein and terminates in the superior vena cava • Syn: ↑azygous vein, ↑vena azygos • Hypernyms: ↑vein, ↑vena, ↑venous… …   Useful english dictionary

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  • supracardinal vein — “+... noun Etymology: supra + cardinal : either of two veins in the mammalian embryo and various adult lower vertebrate forms located in the thoracic and abdominal regions dorsolateral to and on either side of the descending aorta and giving rise …   Useful english dictionary

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  • Superior vena cava — Infobox Vein Name = Superior vena cava Latin = v. cava superior GraySubject = 172 GrayPage = 666 Image Heart diagram 250px Caption = Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. Caption2 = Veins DrainsFrom …   Wikipedia

  • vena — noun a blood vessel that carries blood from the capillaries toward the heart all veins except the pulmonary vein carry unaerated blood • Syn: ↑vein, ↑venous blood vessel • Derivationally related forms: ↑venous (for: ↑vein) …   Useful english dictionary

  • venous blood vessel — noun a blood vessel that carries blood from the capillaries toward the heart all veins except the pulmonary vein carry unaerated blood • Syn: ↑vein, ↑vena • Derivationally related forms: ↑venous (for: ↑vein) …   Useful english dictionary

  • vena azygos — noun one of a system of veins that drain the thoracic and abdominal walls; arises as a continuation of the right ascending lumbar vein and terminates in the superior vena cava • Syn: ↑azygos vein, ↑azygous vein • Hypernyms: ↑vein, ↑vena, ↑venous… …   Useful english dictionary

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