Throat Snd Thyroid Model Otolaryngology Teaching Aid $ 18.29 Product information: Features:This is a practical model that can show the movement process of the epiglottis cartilage of the larynx, and is used as an intuitive teaching aid when secondary schools explain physiological hygiene courses. To help students understand the shape and structure of the respiratory tract and pronunciation organs. This model is magnified 3 times, divided into 4 pieces, and has a base. Size: 11. 5x11x24CM Product name: enlarged larynx anatomical model