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Figure 3 - Schematic diagram of lung anatomy with cross-sections of bronchi, bronchioles alveolar ducts, and alveoli.
a: Gross anatomy of lung and thorax. b: Microscopic anatomy of bronchial wall. C: View of terminal airway and alveoli. d: Alveolar structure.
Ask the doctors: Bronchitis treatment focuses on symptoms
Acute bronchitis is a respiratory tract infection that involves two of the major airways in the lungs. It is usually caused ...