| / English Dictionary |
BRONCHIOLE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Any of the smallest bronchial ducts; ending in alveoli
Classified under:
Hypernyms ("bronchiole" is a kind of...):
canal; channel; duct; epithelial duct (a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance)
Holonyms ("bronchiole" is a part of...):
lower respiratory tract (the bronchi and lungs)
Derivation:
bronchiolar (of or relating to or involving bronchioles)
Context examples:
Solitary or multiple foci of increased cellularity distal to terminal bronchioles.
(Alveoli Epithelial Hyperplasia of the Mouse Pulmonary System, NCI Thesaurus/MMHCC)
It may be caused by breathing in gases or particles that irritate the bronchioles.
(Bronchiolitis obliterans, NCI Dictionary)
Inflammation of the bronchioles with obstruction by fibrous granulation tissue or bronchial exudate.
(Bronchiolitis obliterans, NCI Thesaurus)
It terminates in the lung (terminal bronchiole).
(Bronchus, NCI Thesaurus)
Tiny air sacs at the end of the bronchioles (tiny branches of air tubes) in the lungs.
(Alveoli, NCI Dictionary)
Abnormal permanent enlargement of the lung air spaces distal to terminal bronchiole not resulted from wall destruction, e.g. due to loss of opposite lung.
(Lung Overinflation, NCI Thesaurus)
The layer of cells covering the lining of the tiny air sacs at the end of the bronchioles.
(Alveolar Epithelium, NCI Thesaurus)
Focal and diffuse lesions involving alveoli and respiratory bronchioles and consisting of relatively uniform atypical cuboidal to columnar cells with dense chromatin.
(Atypical Adenomatous Hyperplasia of the Mouse Pulmonary System, NCI Thesaurus/MMHCC)
A disease in which the alveoli (tiny air sacs at the end of the bronchioles in the lungs) are overgrown with fibrous tissue.
(Idiopathic pulmonary fibrosis, NCI Dictionary)
Upon intratracheal administration, this agent, mimicking endogenous pulmonary surfactant, lines the alveoli and smallest bronchioles, keeping alveoli open during expiration by lowering surface tension.
(Calfactant, NCI Thesaurus)
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