Bronchial vein

Dr Aditya Shetty and Dr Henry Knipe et al.

The bronchial veins are counterparts to the bronchial arteries and drain the bronchi, hilar structures and the mid-portion of the oesophagus.

Gross anatomy

There is typically a single bronchial vein at each hilum, formed from the superficial bronchial veins with deep bronchial veins draining into the pulmonary veins. 

Deep bronchial veins

The deep bronchial veins form from intrabronchial venous plexuses, which unite to form venous trunks that run along the bronchi and near the hilum these unite to form deep bronchial veins. These vein drains either directly into the left atrium or into the pulmonary vein. Within the lung, there are significant anastamoses with the intrapulmonary pulmonary veins. 

Superficial bronchial veins

The superficial bronchial veins consist of a subpleural venous network which receive tributaries from extra-pulmonary bronchi, hilar lymph nodes and the vaso vasorum of the hilar pulmonary vessels and unite to form a single bronchial vein at each hilum. The bronchial vein

On the right they drain into the azygos vein. On the left they drain into the left superior intercostal vein, accessory hemiazygos vein or left brachiocephalic vein. At the hilum there is communication with the pulmonary veins. 

Thoracic anatomy
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Article information

rID: 27675
Systems: Chest, Vascular
Section: Anatomy
Tag: cases
Synonyms or Alternate Spellings:
  • Bronchial veins
  • Deep bronchial vein
  • Deep bronchial veins
  • Superfical bronchial vein
  • Superficial bronchial veins

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