Cardiovascular System
Esophageal Branch of Bronchial Branch of Thoracic Aorta
Ramus oesophagealis rami bronchialis aortae thoracicae descendentis
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The bronchial branches arising directly from the descending thoracic aorta, the superior and inferior bronchial branches, send esophageal branches to the esophagus. These are small shot vessels that descend along the thoracic part of the esophagus.
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Thoracic Aorta
The aortic isthmus is the segment of the proximal descending thoracic aorta just beyond the origin of the left subclavian artery at the site of the ligamentum arteriosum, the vestige of the ductus arteriosus in the fetus.
