Which one of the following structures is present in the wall of the secondary lobule?
A. Pulmonary artery
B. Terminal bronchiole
C. Bronchial artery
D. Pulmonary vein
Rationale:
A: Incorrect.
B: Incorrect.
C: Bronchial artery originates from the aorta or intercostal arteries. They travel from the pulmonary hila to the level of the terminal bronchioles within the peribronchovascular interstitium.
D: The secondary pulmonary lobule is a hexagonal shaped structure measuring about 1-2.5 cm. The wall (interlobular septa) of the lobule contains connective tissue, pulmonary vein and lymphatics. The central portion of the lobule contains pulmonary artery and terminal bronchiole.
A. Pulmonary artery
B. Terminal bronchiole
C. Bronchial artery
D. Pulmonary vein
Rationale:
A: Incorrect.
B: Incorrect.
C: Bronchial artery originates from the aorta or intercostal arteries. They travel from the pulmonary hila to the level of the terminal bronchioles within the peribronchovascular interstitium.
D: The secondary pulmonary lobule is a hexagonal shaped structure measuring about 1-2.5 cm. The wall (interlobular septa) of the lobule contains connective tissue, pulmonary vein and lymphatics. The central portion of the lobule contains pulmonary artery and terminal bronchiole.
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