Bronchodilation is the dilation of the airways in the lungs due to the relaxation of surrounding smooth muscle. It is the opposite of bronchoconstriction. ==Inducers== One example of a bronchoconstrictor is prostaglandin E2. ...
a dilated state of a bronchus or the site at which a bronchus is dilated.
<chest medicine, physiology> A dilated state of a bronchus or the site at which a bronchus is dilated. ... (18 Nov 1997) ... 
(brong″ko-di-lә-ta´shәn) a dilated state of a bronchus. the site at which a bronchus is dilated.
Type: Term Pronunciation: brong′kō-dil-ă-tā′shŭn Synonyms: bronchodilation