bronchiole

[brong-kee-ohl]
noun Anatomy.
a small branch of a bronchus.

Origin:
1865–70; < Neo-Latin bronchiolum, equivalent to bronchi(a) bronchia + -olum -ole1

bronchiolar [brong-kee-oh-ler, brong-kahy-uh-] , adjective
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World English Dictionary
bronchiole (ˈbrɒŋkɪˌəʊl)
 
n
any of the smallest bronchial tubes, usually ending in alveoli
 
[C19: from New Latin bronchiolum, diminutive of Late Latin bronchium, singular of bronchia]
 
bronchiolar
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

bronchiole
Mod.L., from dim. of bronchia (see bronchial).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

bronchiole bron·chi·ole (brŏng'kē-ōl')
n.
Any of the fine, thin-walled, tubular extensions of a bronchus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
bronchiole   (brŏng'kē-ōl')  Pronunciation Key 
Any of the small, thin-walled tubes that branch from a bronchus and end in the alveolar sacs of the lung.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Click the icon to see an image of a normal versus asthmatic bronchiole.
Particles not trapped by bronchiole mucus enter the alveoli.
Fibrous or irregularly shaped particles tend to become caught at bronchiole branching points.
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