small airways disease

chronic obstructive bronchitis with irreversible narrowing of the bronchioles and small bronchi. See also obstructive small airways disease.

small airways disease

A condition in which airway obstruction is attributed to ↓ luminal dimension; SAD is largely confined to the small airways or bronchioles–< 2 mm in diameter, initiated by inhaled irritants and is most common in smokers; it is accompanied by inflammation, hypersecretion, and small airway changes, including fibrosis, ulceration, metaplasia, smooth muscle proliferation. Cf COPD.

单词	small airways disease
释义	DictionarySeedisease small airways disease small airways disease chronic obstructive bronchitis with irreversible narrowing of the bronchioles and small bronchi. See also obstructive small airways disease. small airways disease A condition in which airway obstruction is attributed to ↓ luminal dimension; SAD is largely confined to the small airways or bronchioles–< 2 mm in diameter, initiated by inhaled irritants and is most common in smokers; it is accompanied by inflammation, hypersecretion, and small airway changes, including fibrosis, ulceration, metaplasia, smooth muscle proliferation. Cf COPD.
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