Japanese Striped Snake Embryo (IMAGE) Nagoya University Caption In the snake embryo, onset of GDF11 function in the prospective vertebra region is later than in other vertebrates' embryos, resulting in a longer flank. Credit Takayuki Suzuki 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.