Esophageal Branch of Right Bronchial Artery
Ramus oesophagealis arteriae bronchiales
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The bronchial artery that arises indirectly from the descending thoracic aorta via the right-sided posterior intercostal artery (usually the third right posterior intercostal artery) send esophageal branches to the esophagus. These are small shot vessels that descend along the thoracic part of the esophagus.
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Bronchial Artery
The bronchial arteries arise directly from the aorta or from intercostal arteries to supply the walls of the trachea and bronchi and also to nourish the major pulmonary vessels, nerves, interstitium, and pleura.