Adam In Depth Patient Reports - imagepageSearch Health Information
Normal versus asthmatic bronchiole
During an asthma attack, smooth muscles located in the bronchioles of the lung contract, narrowing the airways and decreasing the flow of air. Inflammation and excess mucus secretion can further decrease the amount of air flow.
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.