Trachea and bronchi (English)

The trachea is continuous with the larynx at the inferior border of the cricoid cartilage. Its tubular structure is maintained by 16-20 incomplete/C-shaped cartilaginous rings which comprise its anterolateral wall. These cartilages are interconnected by anular ligaments located betweeno adjacent cartilage rings. The posterior wall of the trachea is occupied by the trachealis muscle. The trachea normally terminates at the level of vertebra T5 in a bifurcation giving off two primary main bronchi.