Entamoeba gingivalis (IMAGE) Charité - Universitätsmedizin Berlin Caption The parasite Entamoeba gingivalis penetrates the gum tissue, feeding on host cells. Credit Schaefer/ Charité Usage Restrictions None 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.