The pharyngeal wall muscle model shows the superior, middle and inferior pharyngeal constrictor muscles, the posterior esophagus, the lateral pharyngeal wall and the adjacent neurovascular structures, as well as the structures of the various parts of the pharynx. Natural size, 23×18×11cm Material: PVC material Life-size model of the nasal cavity and throat for patient education or anatomical study. You can clearly see all major anatomical structures. It is all-in-one and can be used as a learning tool for students as well as a teaching tool.