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bronchoconstriction

   Also found in: Medical, Wikipedia 0.02 sec.
bronchoconstriction [¦bräŋ·kō·kən¦strik·shən]
(physiology)
Narrowing of the air passages in bronchi and bronchioles.


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Leukotrienes are inflammatory molecules responsible for bronchoconstriction.
The inflammation results in narrowed, swollen airways and increased mucus, and frequently is accompanied by constriction of the smooth muscle in the airways, or bronchoconstriction, causing difficulty breathing and the familiar wheeze often associated with the disease.
If a short-acting agent is given ten to fifteen minutes before exertion the immediate bronchoconstriction may be completely blocked.
 
 
 
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