This shows that larger airways are more prone to turbulent flow than smaller airways.

A separate system known as the bronchial circulation supplies blood to the tissue of the larger airways of the lung.

Bronchoscopy: A procedure to look inside the trachea and large airways in the lung for abnormal areas.

Anticholinergic drugs keep the muscles around the large airways from tightening.

Cannabis smoke causes mild irritation to the large airways of the lungs.

Cough and spasms of the large airways.

They typically occur close to large airways.

Most cases arise in the larger airways (primary and secondary bronchi).

The use of filters removes larger particles from tobacco smoke, thus reducing deposition in larger airways.

Bronchiectasis is destruction and widening of the large airways.