Pulmonary artery
This terminal bronchiole transitioning to a respiratory bronchiole is accompanied by a branch of the pulmonary artery. This vessel is located adjacent to the passageway rather than being located within the wall of the passage as a bronchial vessel would be. 150x
Passageway
This terminal bronchiole transitioning to a respiratory bronchiole is accompanied by a branch of the pulmonary artery. This vessel is located adjacent to the passageway rather than being located within the wall of the passage as a bronchial vessel would be. 150x
Pulmonary artery
This terminal bronchiole transitioning to a respiratory bronchiole is accompanied by a branch of the pulmonary artery. This vessel is located adjacent to the passageway rather than being located within the wall of the passage as a bronchial vessel would be. 150x
Alveoli
This terminal bronchiole transitioning to a respiratory bronchiole is accompanied by a branch of the pulmonary artery. This vessel is located adjacent to the passageway rather than being located within the wall of the passage as a bronchial vessel would be. 150x