凍結ラット精子からの産子作製システム (IMAGE) Kumamoto University Caption 新たに開発したラット精子の凍結保存技術では、液体窒素で凍結する前に精子の動きを可能な限り減らす必要があります。 この技術によって体外受精および出生率が大幅に改善されます。 Credit Professor Naomi Nakagata Usage Restrictions This image may only be used in conjunction with the accompanying release, or stories written about the work described in the release with reference to the original work. 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.