Heart Model (IMAGE) Southwest Research Institute Caption Southwest Research Institute and The University of Texas at San Antonio are collaborat-ing to create a computer model of the tubular structures in the human heart as part of a larger effort to develop a new, potentially life-saving heart surgery. These structures, called the trabeculae carneae, are poorly understood and most models of the heart ig-nore them. Credit SwRI Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes only 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.