What is abnormal bronchial dilation and what causes it?

What is bronchial dilation, in turn?

Bronchiectasis refers to an irreversible dilation (bronchiectasis) of a portion of the breathing tubes (bronchi), caused by damage to the wall of the airway. Most common causes are severe or persistent respiratory infections. This is often seen in patients with an underlying condition such as a problem with their lungs, or their immune system.

This is also a hereditary condition that affects the lungs. Cystic Fibrosis

You may also wonder, "What is an occupational disorder that is commonly caused by dust particles inhalation?"

Pneumoconiosis can be described as an interstitial lung disease that is caused by inhaling certain types of dust particles. Pneumoconiosis can be described as an occupational lung disease because you are more likely to come across these dusts at work.

What is the name of the space between the lungs and the chest?

The pleural cavity, also called the pleural space or the pleural space is the thin, fluid-filled space that lies between the two pulmonary Pleurae (also known as visceral or parietal). A pleura, a membrane that is serous, folds over itself to form a membranous pleural sac.