Secondary Lobular Anatomy • Pulmonary arteries (1 mm) • Pulmonary veins + Lymphatics (0.5 mm) • Bronchioles (wall thickness 0.15 mm) • Visceral pleura (0.1 mm) • Interlobular septa (0.1 mm) BWH Medicine Chiefs @BrighamChiefs #Lobular #Anatomy #pulmonary #lung