Roundworm egg (IMAGE) University of Cambridge Caption Roundworm egg found in the soil around the pelvis of a friar from medieval Cambridge, as viewed through a microscope. Credit Tianyi Wang Usage Restrictions Please credit License Original 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.