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Any of the fine, thin-walled, tubular extensions of a bronchus.
[French, from New Latin bronchiola, diminutive of Latin bronchus; see bronchus.]
bron′chi·o′lar (-ō′lər) adj.
(Anatomy) any of the smallest bronchial tubes, usually ending in alveoli
[C19: from New Latin bronchiolum, diminutive of Late Latin bronchium, singular of bronchia]
a small branch of a bronchus.
Any of the small, thin-walled tubes that branch from a bronchus and end in the alveolar sacs of the lung.
A tiny subdivision of a bronchus, ending in the little air sacs called alveoli.
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|Noun||1.||bronchiole - any of the smallest bronchial ducts; ending in alveoli|
duct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"
lower respiratory tract - the bronchi and lungs
n. bronquiolo, una de las ramas menores del árbol bronquial.