变化中的蝌蚪的侧面 (stage 64 热带爪蟾)显示了发育中的尾杆骨 (IMAGE) Proceedings of the National Academy of Sciences Caption 变化中的蝌蚪的侧面 (stage 64 热带爪蟾)显示了发育中的尾杆骨。 Credit Image Courtesy of Gayani Senevirathne 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.