bronchoconstriction

bronchoconstriction
Reduction in the caliber of a bronchus or bronchi, usually referring to a dynamic process as in asthma and emphysema, rather than a fixed constriction (the latter is a bronchial stenosis). Cf.:bronchospasm.

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bron·cho·con·stric·tion .bräŋ-kō-kən-'strik-shən n constriction of the bronchial air passages
bron·cho·con·stric·tive -tiv adj

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bron·cho·con·stric·tion (bron″ko-kən-strikґshən) constriction or narrowing of the lumina of the air passages of the lungs, typically as a result of bronchial smooth muscle contraction.

Medical dictionary. 2011.

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