Thumbnail (IMAGE) Kyoto University Caption Hoping that that our culture system can aid in the conservation of endangered species and the creation of in vitro oocyte induction systems for other mammalian species with long lifespans Credit ASHBi/Kyoto University Usage Restrictions Must use Image as Credited 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.