National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
bronchiole (BRONG-kee-ole)

 A tiny branch of air tubes in the lungs.

Enlarge
Respiratory anatomy; drawing shows right lung with upper, middle, and lower lobes; left lung with upper and lower lobes; and the trachea, bronchi, lymph nodes, and diaphragm. Inset shows bronchioles, alveoli, artery, and vein.

Previous Definitions:broccoli sprout extract, bromelain, bronchi, bronchial, bronchial adenoma
Next Definitions:bronchiolitis obliterans, bronchitis, bronchodilator, bronchogenic carcinoma, bronchoscope