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a dilated state of a bronchus, or the site at which a bronchus is dilated.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
1. Increase in caliber of the bronchi and bronchioles in response to pharmacologically active substances or autonomic nervous activity.
2. Rarely used term for bronchiectasis.
Farlex Partner Medical Dictionary © Farlex 2012
bronchodilatationWidening of the bore of a bronchus by relaxation of the circular muscles in its wall. Bronchodilator drugs are used in the treatment of ASTHMA.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005