4 PIECE BRONCHUS

The bronchus is a vital component of the respiratory system, comprising four primary parts in its structure. These sections include the right main bronchus, left main bronchus, the secondary bronchi, and tertiary bronchi. The right main bronchus is wider and more vertically oriented than its counterpart, allowing for easier passage of air. Once air enters these main bronchi, it is further distributed to the smaller secondary bronchi, which then branch into the tertiary bronchi to serve individual lobes of the lungs. Each piece plays a crucial role in effectively delivering air to the lungs, ensuring optimal oxygen exchange for the body. Understanding the anatomy of the bronchus is essential for appreciating how our respiratory system functions and the importance of maintaining lung health.

The 4-Piece Bronchus Model is an oversized four-stage cross-section model of the bronchus demonstrating the tissue changes occurring in asthma and chronic bronchitis. The four stages shown i n c l u d e :t h e n o r m a l b r o n c h u s , hypersecretion of the mucous gland, swelling with lymphoid aggregations and smooth muscle-spasm