They may have more serious problems than adults because their bronchial tubes are smaller.

They help control narrowing and inflammation in the bronchial tubes.

During these asthma attacks, the narrow bronchial tubes make it difficult to breathe.

The lower respiratory system includes the bronchial tubes and lungs.

Finally she exposed the bronchial tube, and cut it open.

The substance might eventually be used to treat other damaged parts of the body, such as bronchial tubes, he said.

An infection in the larger bronchial tubes can lead to bronchitis.

Insertion of a prosthesis to keep the bronchial tube open.

Bronchodilators open up the bronchial tubes so that more air can move through.

Now come with me down this bronchial tube to the bridge.