Mouse Heart (IMAGE) The Company of Biologists Caption A frontal section of a mouse heart at embryonic day 17.5 showing normal anatomy, which can be disrupted by short-term exposure to hypoxia during gestation. The image was generated using optical projection tomography. Credit Company of Biologists 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.