a: Gross anatomy of lung and thorax. b: Microscopic anatomy of bronchial wall. C: View of terminal airway and alveoli. d: Alveolar structure.

That similar bronchial outgrowths that fail to differentiate into alveolar tissue may develop within the lung itself is not ... develop in the lower or middle lobes and in the lingula of the ...

Tools and resources to help understand and manage a range of lung conditions. Can’t Shake That Cough? Walking Pneumonia Is on the RiseYoung children are increasingly being infected with bacteria ...

Clean air then enters the two bronchi, one bronchus going to each lung. The bronchi in the lungs split into smaller and smaller tubes called bronchioles. These end in microscopic air sacs called ...