MICROANATOMY

Detailed explanation-1: -Based on normal anatomy left main bronchus is longer and divide into upper and lower secondary bronchus. While right main bronchus is much smaller and divides into apical, anterior, and posterior secondary bronchi. The left-sided double-lumen tube is preferred in most cases.

Detailed explanation-2: -Your right and left main bronchi are the widest portions of your bronchi. Then your bronchi divide into branches that get smaller and smaller starting with: The lobar bronchi, which pass into a section (lobe) of your lungs.

Detailed explanation-3: -The left main bronchus departs from the trachea at a greater angle than that of the right main bronchus. The right bronchus is also wider than the left and these differences predispose the right lung to aspirational problems.

Detailed explanation-4: -The trachea, commonly known as the windpipe, is a tube about 4 inches long and less than an inch in diameter in most people. The trachea begins just under the larynx (voice box) and runs down behind the breastbone (sternum). The trachea then divides into two smaller tubes called bronchi: one bronchus for each lung.

Detailed explanation-5: -In your lungs, the main airways, called bronchi, branch off into smaller and smaller passageways. The smallest airways, called bronchioles, lead to tiny air sacs called alveoli.