VOGIM (IMAGE) Friedrich-Alexander-Universität Erlangen-Nürnberg Caption VOGIM: Tumor-induced cell death and tumor zones I and II. The tumor is shown in green, damaged neurons are shown in red and cell nuclei are shown in blue. There are at least two distinct tumor zones (TZ I and TZ II) visible. Credit FAU Usage Restrictions May be used in context of the adjacent press release. 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.