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Pulmonary artery
A low magnification view of the lungs shows a cross section of a bronchus accompanied by two sections of a large pulmonary artery. Pulmonary arteries lie adjacent to, not within the wall of, the respiratory passageways, carrying deoxygenated blood to the alveolar capillary bed. 40x
![Bronchus <p>A low magnification view of the lungs shows a cross section of a bronchus accompanied by two sections of a large pulmonary artery. Pulmonary arteries lie adjacent to, not within the wall of, the respiratory passageways, carrying deoxygenated blood to the alveolar capillary bed. 40x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.B.PA_.01.P01.png)
Bronchus
A low magnification view of the lungs shows a cross section of a bronchus accompanied by two sections of a large pulmonary artery. Pulmonary arteries lie adjacent to, not within the wall of, the respiratory passageways, carrying deoxygenated blood to the alveolar capillary bed. 40x
![Pulmonary artery <p>A low magnification view of the lungs shows a cross section of a bronchus accompanied by two sections of a large pulmonary artery. Pulmonary arteries lie adjacent to, not within the wall of, the respiratory passageways, carrying deoxygenated blood to the alveolar capillary bed. 40x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.B.PA_.01.P02.png)
Pulmonary artery
A low magnification view of the lungs shows a cross section of a bronchus accompanied by two sections of a large pulmonary artery. Pulmonary arteries lie adjacent to, not within the wall of, the respiratory passageways, carrying deoxygenated blood to the alveolar capillary bed. 40x
![Bronchial vessels <p>A low magnification view of the lungs shows a cross section of a bronchus accompanied by two sections of a large pulmonary artery. Pulmonary arteries lie adjacent to, not within the wall of, the respiratory passageways, carrying deoxygenated blood to the alveolar capillary bed. 40x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.B.PA_.01.P03.png)
Bronchial vessels
A low magnification view of the lungs shows a cross section of a bronchus accompanied by two sections of a large pulmonary artery. Pulmonary arteries lie adjacent to, not within the wall of, the respiratory passageways, carrying deoxygenated blood to the alveolar capillary bed. 40x