Anterior view of the trachea and pulmonary trunk and their respective branches illustrating their anatomical relationship.

Anterior view of superior mediastinum, superficial anatomy removed to reveal tracheal bifurcation and bronchi.

Medial view of the mediastinal (medial) surface of the left lung showing respiratory bronchi and cardiac vessels.

Child with lungs, trachea, and bronchii.

Left image shows child and location of lungs, bronchi and trachea; image on right shows blow up and cutaway of a bronchus; note swelling and inflammation of mucous membrane and fluid within the bronchus.

Anterior view of lungs suffering from atelectasis caused by obstruction. An occlusion can be seen in right Eparteral bronchus.

Blow up and cutaway of a bronchus; note swelling and inflammation of mucous membrane and fluid within the bronchus, symptoms of bronchitis.

Frontal section overview of the respiratory system.

Right medial view of the mediastinum after the right lung has been removed. The costal and mediastinal pleurae have mostly been removed as well.

Posteroanterior, slightly oblique bronchogram of the right and left bronchial trees.

Four variations of the aortic arch are shown: double aortic arch of the frog; right aortic arch of the bird; left aortic arch of the mammal, including man, and a variant with the subclavian artery originating from the descending aorta.

Trachea and Bronchi