<i>Toxoplasma</i> Parasite (IMAGE) University of Granada Caption Image of a Toxoplasma parasite under electron microscope. A and B are infecting forms isolated from tissues under scanning electron microscopy. C corresponds to infectious tissue forms observed by transmission electron microscopy, and D shows the development within a cell cultured in vitro. Credit Luis M. De Pablos Torró - Biotechnology Institute - UGR, 183 CTS Group 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.