Trachea and Lungs
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.
John A. McNulty
Last Updated: March 28, 1996
Created: 1 March 1996