Ulcer-Causing Bacteria (image) Virginia Tech Caption Similar anatomical properties between the stomach of humans and pigs make the pig an excellent model for studying H. pylori-associated disease. Virginia Bioinformatics Institute researchers have demonstrated that H. pylori (arrow) is found in the inner lining of the stomach and and near aggregates of immune cells. The picture insert shows the typically spindle-shaped H. pylori magnified 1,000 times. Credit Virginia Tech Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.