The process that led to dolly began with the transfer of the nucleus of an adult cell to an unfertilized egg taken from a donor animal by a process known as cell fusion .
The process in which the uterine lining and the unfertilized ovum are discharged through the vagina of human female .
通过阴道排放子宫内膜和未受精的卵子的过程。
Even if the method described by scientists wednesday works in humans , it would demand too much of a precious resource - women 's unfertilized eggs .
即使科学家星期三描述的方法用于人类干细胞研究,也需要过多宝贵的资源妇女的未受精卵。
There are numerous unsubstantiated reports that natural vitamins are superior to synthetic ones , that fertilized eggs are nutritionally superior to unfertilized eggs , that untreated grains are better than fumigated grains , and the like .