Esophagus (IMAGE) University of Oklahoma Caption A rendered plot of how the esophagus stays perturbed even after parasite (Trypanosoma cruzi) levels decrease. Credit Copyright McCall Lab 2021, University of Oklahoma Usage Restrictions With credit License Licensed content 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.