Bone Foramen Graph (IMAGE) University of Adelaide Caption The y-axis is an index of the amount of blood flow through the foramen in relation to the body size of mammals (red), reptiles (blue) and dinosaurs (orange-red). Credit Image courtesy of Professor Roger Seymour, School of Earth & Environmental Sciences, University of Adelaide. Usage Restrictions This image may be reproduced only with the appropriate credit. 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.