15 it found a fossil of a dinosaur larynx bone, a world-first discovery ... They then discovered a laryngeal bone, located at the entrance to the trachea used for breathing or vocalization.

Total Laryngectomy: A surgical procedure that involves the complete removal of the larynx, often due to ... creates a small hole between the trachea and esophagus to facilitate voice production ...

Next, locate the larynx with a laryngoscope and depress ... palpation of two firm tubes in the neck indicates that the esophagus rather than the trachea has been intubated. To secure the tube ...