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Bronchial Tree

Ductus alveolaris et Sacculus alveolare

Alveolar Ducts and Saccules

Ramus arteriae pulmonalis

Branch of Pulmonary Artery

Ramus venae pulmonalis

Branch of Pulmonary Vein

Arteriae bronchiales

Bronchial Arteries

Rete capillare

Capillary Network

Fibrae Elasticae

Elastic Fibers

Arteriola pulmonalis

Pulmonary Arteriole

Venula pulmonalis

Pulmonary Venule

Bronchiolus respiratorius

Respiratory Bronchiole

Tunica mucosa respiratoria