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Right main bronchus
Other Terms: Right bronchus, Right principal bronchus, Bronchus principalis dexter, Bronche principale droite
The bronchi are the two branches of the trachea at its bifurcation that allow air passage to the each lung. They occupy the middle mediastinum. The right bronchus is about two and a half centimeters (one inch) long, is shorter and more horizontal than the left, and has a larger diameter. The two bronchi diverge at an angle of about 130 degrees. The right bronchus has arching over it from behind the azygos vein on its way to the vena cava, while the horizontal right pulmonary artery lies at first below, and then anterior to the bronchus; below the first division of the right bronchus the pulmonary artery lies posterior to the bronchus. The orifice of the right bronchus being larger than that of the left and placed nearly under the center of the trachea, foreign bodies usually enter the right bronchus.
Bronchus principalis dexter
Bronche principale droite