Planaria Flatworm (IMAGE) University of Reading Caption A picture of a planaria flatworm under a microscope that has been treated with a known skin irritant mixed with a fluorescent dye Credit University of Reading, 2020 Usage Restrictions Must include credit to University of Reading 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.