... be opened for inner observation 3. Mounted Medical Plastic Model,Stomach Model Dissected along the medial plane and can be open to ... mucosa, 2. the pylorus, 3. the section of the gastric wall. 4. Superficial dissections expose the different muscular layers, 5. the ... .W.:15 kgs.4.Packing:35x53x48cm, 24 pcs. Medical Plastic Model