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Medical Definition of Bronchoconstrictor
1. 1. Causing a reduction in caliber of a bronchus or bronchial tube. 2. An agent that possesses this action (e.g., histamine). (05 Mar 2000)
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1. 1. Causing a reduction in caliber of a bronchus or bronchial tube. 2. An agent that possesses this action (e.g., histamine). (05 Mar 2000)