Bronchodilation

Definition

Bronchodilation is the expansion of the bronchial air passages in the lungs. It occurs when the muscles surrounding these passages relax, allowing for increased airflow to and from the lungs.

Related terms

Asthma:

A chronic respiratory condition characterized by episodes of bronchoconstriction, leading to difficulty breathing.

Bronchoconstriction: The narrowing of the bronchi in the lungs due to muscle tightening around the airways, opposite of bronchodilation.

Alveoli:

Tiny air sacs in the lungs where gas exchange occurs between the air and blood