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A 29-year-old member asked:

What conditions cause contraction of bronchiole smooth muscle?

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Dr. Roman Bronfenbrener
Dermatology 9 years experience
Asthma: Asthma is the prototypical disease whereby reversible bronchiolar smooth muscle constriction leads to tight airways and obstructive lung symptoms. Copd, or chronic obstructive pulmonary disease, also has a component of smooth muscle constriction.

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Last updated Oct 3, 2018

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