bronchoconstrictor

bronchoconstrictor
1. Causing a reduction in caliber of a bronchus or bronchial tube. 2. An agent that possesses this action ( e.g., histamine, acetylcholine).

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bron·cho·con·stric·tor -'strik-tər adj causing or involving bronchoconstriction <\bronchoconstrictor effects> <\bronchoconstrictor responses>
bronchoconstrictor n a drug or natural substance in the body causing bronchoconstriction

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n.
a drug that causes narrowing of the air passages by producing spasm of bronchial smooth muscle.

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bron·cho·con·stric·tor (brong″ko-kən-strikґtər) 1. constricting or narrowing the lumina of the air passages of the lungs. 2. an agent that causes narrowing of the lumina of the air passages of the lungs.

Medical dictionary. 2011.

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