Medical term:
bronchoconstriction
bronchoconstriction
[brong″ko-kon-strik´shun]narrowing of a bronchus as a result of smooth muscle contraction, as in asthma.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
bron·cho·con·stric·tion
(brong'kō-kon-strik'shŭn),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). Compare: bronchospasm.
Farlex Partner Medical Dictionary © Farlex 2012
bronchoconstriction
The narrowing of a bronchus due to the contraction of the surrounding smooth muscle, which may be caused by either histaminic-H1/2 or muscarinic (M1/2/3) receptors.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
bronchoconstriction
Narrowing of a bronchus, bronchostenosisMcGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
bron·cho·con·stric·tion
(brong'kō-kŏn-strik'shŭn)Constriction of the bronchi.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
bronchoconstriction
Contraction of the circular muscles in the walls of the bronchi, so narrowing the bore of the tubes and restricting air entry. See also BRONCHOSPASM.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
bron·cho·con·stric·tion
(brong'kō-kŏn-strik'shŭn)Constriction of the bronchi.
Medical Dictionary for the Dental Professions © Farlex 2012
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