Prototissue formation (VIDEO) University College London This video is under embargo. Please login to access this video. Caption Video of prototissue assembly from DNA Credit Dr Jonathan Burns / Dr Nishkantha Arulkumaran / DNAFibers.com Usage Restrictions Only with credit and in relation to this study 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.