Electron Microscopy of Abiotically-formed Structures as an Explanation for 'Dinosaur Blood' (image) University of Bristol Share Print E-Mail Caption Electron microscopy of abiotically-formed structures as an explanation for 'dinosaur blood'. A) Moderately matured turkey skin. B) Proposed blood-like structures in a dinosaur bone (modified from Bertazzo et al. (2015, online Supplementary Fig. 3c) and used under Creative Commons CC-BY license). Presented here with a defined scale bar. Arrowheads indicate several shared structures: (1) concave bulge/fold continuous with the underlying organic material; (2) pit/simple fold; (3) spherical bulge. Credit University of Bristol Usage Restrictions None Share Print E-Mail 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.