Intrapulmonary Bronchus and Pulmonary Artery

This picture shows an intrapulmonary bronchus and the pulmonary artery that runs with it. The epithelium of the mucosa is thrown into many folds. The muscularis mucosae is very prominent. The large pieces of bluish cartilage are located in the adventitia. The separation in the wall of the pulmonary artery is an artifact. PK1568. S1. Original mag. 13x. H&E. Intrapulmonary Bronchus and Pulmonary Artery. Lung. Respiratory System.