bronchiole /bron·chi·ole/ (brong´ke-ōl) one of the finer subdivisions of the branched bronchial tree. 
Bronchiole
bronchiole
bronchiole (brong´kēōl),
)
respiratory bronchioles the final branches of the bronchioles.
bron·chi·ole (br ng k - l )n. Any of the fine, thin-walled, tubular extensions of a bronchus. |
Bronchiole
A thin air passage in the lung that branches off a larger airway.
Mentioned in: Bronchiolitis
bronchiole
[brong′kē·ōl]
Etymology: L, bronchiolus, little windpipe
a small airway of the respiratory system extending from the bronchi into the lobes of the lung. There are two divisions of bronchioles: The terminal bronchioles passively conduct inspired air from the bronchi to the respiratory bronchioles and expired air from the respiratory bronchioles to the bronchi. The respiratory bronchioles function similarly, allowing the exchange of air and waste gases between the alveolar ducts and the terminal bronchioles. bronchiolar [brongkē′ələr] adj.
bronchiole (brong´kēōl),
n a terminal division of a bronchium.
bronchiole
one of the successively smaller channels (1 mm or less) into which the bronchi divide.
respiratory bronchiole
the final branch of a bronchiole, communicating directly with the alveolar ducts; a subdivision of a terminal bronchiole, it has alveolar outcroppings and itself divides into several alveolar ducts.
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