This 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.