Schematic Illustration (IMAGE) Tohoku University Caption A Schematic illustration of the high-resolution 3D ultrasonic imaging system (PLUS). Credit Yoshikazu Ohara, Tohoku University 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.