Lecture hall model. Zoom in 5 times. Due to its size and large number of detachable parts, the demonstration of the precise anatomy of the larynx in this model is particularly eye-catching. It is divided into the following 11 parts: left thyroid hyoid muscle, thyroid cartilage with hyoid bone, left epiglottis, left posterior cricothyroid muscle, left and right cricothyroid muscles, dipper muscles, left dipper cartilage, left vocal cord muscles, and left circumdulatus muscles There is a trachea in the right throat. On a base.