纺锤体

• After the treatment was removed for 6 min , the nucleus began to reform in those eggs that the spindle did not recover . after 9 min , new nuclei had been reformed completely . the activated eggs entered the prophase of the next cleavage cycle in about 14 min , the metaphase in 19min ; the anaphase in 24min and the telophase in 29min
  未恢复纺锤体的激活卵在解除休克后6min ，卵内染色体开始核化， 9min时形成新的二倍体细胞核， 14min时处入再次分裂的前期， 19min时进入分裂中期， 24min进入分裂后期， 29min时处于分裂末期，且可以看到子核的形成。