bronchomotor

1. Relating to a change in caliber, dilation, or contraction of a bronchus or bronchiole. 2. An agent possessing this action. [broncho- + L. motor, mover]

* * *

bron·cho·mo·tor 'bräŋ-kō-.mōt-ər adj relating to or affecting contraction or dilation of the bronchial air passages <\bronchomotor activity>

* * *

bron·cho·mo·tor (brong″ko-moґtər) affecting the caliber of the bronchi.