But when the endodermal nuclei of neural-plate cells were transplanted into enucleated eggs, only half of the blastulae underwent gastrulation and tten the development was arrested.

• 在以神经板期内胚层细胞核为供体的移植过程中,虽有一半以上的全囊胚发育到原肠期,但是胚胎进一步发育的能力受到较明显的阻抑。