A comparison of the number of terminal bronchioles and dimensions at ... destruction can explain the increased peripheral airway resistance reported in COPD. (Funded by the National Heart, Lung ...

Increase in airway resistance in COPD occurs due to a ... used to measure the average alveolar dimension, the number of terminal bronchioles per millimeter of lung volume, and the diameter and ...

When total airway resistance is elevated to a clinically ... 6) show that in normal lungs the contrast medium filled the smallest bronchioles and some of the respiratory bronchioles as well.

Small airways loss appears to be an important ... The researchers also reported a decreased number of terminal bronchioles per milliliter and total number of terminal bronchioles in all forms ...

Emphysema is defined as abnormal, permanent enlargement of the air spaces distal to the terminal bronchioles that is ... of COPD is gauged by the extent of airway obstruction, as determined ...

Albuterol relaxes the smooth muscles of all airways, from the trachea to the terminal bronchioles. Increased cyclic AMP concentrations are also associated with the inhibition of release of ...

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 ...