Nature3y
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.
The Tribune-Democrat2h
Pope's weekend events canceled as Francis is hospitalized to treat bronchitis and undergo tests
Pope Francis was hospitalized Friday to treat a weeklong bout of bronchitis and undergo diagnostic tests, the Vatican said, ...