Bronchiolitis is a viral lung infection that causes inflammation in the smallest air passages in your lungs called bronchioles. Although it’s generally a childhood condition, bronchiolitis can also ...

Constrictive bronchiolitis obliterans is an important respiratory illness because of its underlying irreversible fibrotic process, and is defined as concentric fibrosis in the bronchiolar submucosal ...

The major sites of obstruction in chronic obstructive pulmonary disease (COPD) are small airways (<2 mm in diameter). We wanted to determine whether there was a relationship between small-airway ...

Lung damage causes proliferation of P63-expressing cells in bronchioles, migration to damaged tissue, and regeneration of alveoli. Scientists have identified a subset of stem cells in rodents and in ...

Although progenitor cells have been described in distinct anatomical regions of the lung, description of resident stem cells has remained elusive. Human lungs contain undifferentiated human lung stem ...

People with COPD experience changes in their bodies. It starts with damage to the airways and tiny sacs in your lungs. That progresses to a wet cough and difficulty breathing, which can then get worse ...