This 3B Scientific® stomach pathology model demonstrates various stages of gastritis from a light gastric ulcer to a perforation. The stomach section with esophagus and duodenum attachment in half life size shows the following pathological changes of the stomach:

• Erythematous gastritis
• Erosive gastritis
• Hemorrhagic gastritis
• Healing stage with scar formation
• Atrophic gastritis
• Hypertrophic gastritis
• Bleeding ulcer
• Perforated ulcer

An additional relief model of the enlarged stomach wall shows:

• Healthy mucous membrane
• Acute gastritis in the antral area
• Erosive gastritis with mucous membrane defects
• Bleeding ulcer (eroded muscularis mucosae)
• Perforated ulcer (all stomach layers eroded)

Stomach with ulcers mounted on a base for display in the classroom or doctors office.