Medco Stomach Model *Competitive price *Used in medical school hospital *15 years in this aera Medco Stomach Model With the longitudinal section, the model shows the structures of the gastric folds, pyloric valve, pyloric sphincter muscles, gastric mucosa and the transitional mucosa of the gastric-esophagus. Made of hard plastic and magnified 2 times of the natural size. p> Stomach Model