This vivid esophagus model designed to educate patients and students is a life-size frontal section that reaches from the lower part of the esophagus to the upper part of the stomach. The following illnesses are replicated in the diseases of the esophagus model: Reflux esophagitis, Ulcer, Barrett's Ulcer, Esophageal carcinoma, Esophageal varices, Hiatal hernia. This high quality diseases of the esophagus anatomy model is mounted on base. NEW and exclusively with original 3B Scientific anatomy models - now enhanced with 3B Smart Anatomy. Your advantages with all 3B Smart Anatomy models: Free warranty extension from 3 to 5 years, free access to 3B Smart Anatomy courses in the award-winning Complete Anatomy app, this includes 11 3B Smart Anatomy courses with 23 lectures and 117 different views of interactive virtual models, plus 39 quizzes. To unlock these benefits, simply scan the label and register your 3B Smart Anatomy model online. All 3B Smart Anatomy features are completely free of charge. "Virtual meets Reality" developed by 3B Scientific makes learning human anatomy even more effective across all media.