The Tracheobronchial Tree - Trachea - Bronchi

View of Ultrasound guided needle mark to trachea for unidentified trachea The lumen of the trachea is lined with pseudostratified ciliated columnar epithelium The endothelium possesses abundant goblet cells that discharge sticky trachea The trachea is the airway, a tube made up of cartilage which starts just below the larynx and continues

trachea Forms the beginning of lower respiratory passage Page 3 TRACHEA contd… • Begins in the neck as a continuation of larynx