tracheal bifurcation

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The tracheal bifurcation is the point at which the trachea divides into, and is continuous with, the two main or principal bronchi. Within the thorax at this point, the trachea is displaced slightly to the right by the arch of the aorta on its left. It is at the level of the sternal angle - the inferior margin of the fourth thoracic vertebra.

Last reviewed 01/2018