Ceratopteris forming a meristem notch (VIDEO) Purdue University This video is under embargo. Please login to access this video. Caption 3D rotational view of a hermaphroditic gametophyte of Ceratopteris forming a meristem notch. Green: GFP-labeled nuclei; magenta: cell wall. (Credit: Purdue University/Yuan Geng and Yun Zhou) Credit Purdue University/Yuan Geng and Yun Zhou Usage Restrictions News organizations may use this video in reports about the work of Purdue University’s Yun Zhou and his collaborators. 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.