Superior Mediastinum Contents at Anatomy

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Superior Mediastinum Contents. The anterior mediastinum is protective in nature and filled with connective and fatty tissue that cushions and supports the thymus as well as the vital cardiac structures just posterior to it. Ascending aorta and pulmonary trunk and pulmonary arteries.

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The mediastinum is divided into four parts, of which one is superior and three are inferior. Contents of superior mediastinum • thymus • rt & lt brachiocephalic veins • left superior intercostal vein • superior vena cava • arch of aorta & it’s three branches • trachea • esophagus • phrenic nerves • vagus nerves • lt recurrent laryngeal. Vagus + left lung apex does not come into contact with the trachea (due to the great arteries).


The organs of the superior mediastinum include the thymus, esophagus, and trachea. Potential dead space in superior mediastinum: Superior vena cava and arch of azygos vein. Superior mediastinum houses organs, blood vessels, and nerves.