3D Image of a T. Rex Skull (IMAGE) University of Missouri-Columbia Caption A 3D image of a Tyrannosaurus rex skull showing muscle activation. University of Missouri scientists created one of the first 3D models showing how ligaments and joints in the skull of a Tyrannosaurus rex work. Credit University of Missouri 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.