Trachea

Right Bronchus Is shorter (1"), wider, and more vertical. Has 3 secondary bronchi and 10 tertiary bronchi. Arrow indicates eparterial bronchus.

Left Bronchus is longer (2"), narrower, and more horizontal. Has 2 secondary bronchi and 8 tertiary bronchi

Lungs

Right Lung Has 2 fissures (oblique and horizontal). Has 3 lobes (superior, middle, inferior) Has 10 bronchopulmonary segments.

Left Lung Has 1 fissure (oblique) Has 2 lobes (superior and inferior) Has 8 bronchopulmonary segments.

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John A. McNulty

Last Updated: March 28, 1996 Created: 1 March 1996