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During fetal surgery, a small opening is made in the uterus. The surgeons then float the fetus up to that incision point so they can expose the back of the fetus and the spina bifida defect. The care team places a small patch containing living stem cells directly over the fetus’s exposed spinal cord, before closing the layers of the back to allow the tissue to regenerate. The stem cells, taken from donated placentas, are designed to protect the developing spinal cord from further damage before birth.
。同城约会对此有专业解读
Россиянам станет тяжелее снять наличные08:49，更多细节参见搜狗输入法2026
此后，巴迪高开启了长达两年多的技术攻坚。，详情可参考WPS官方版本下载