This marks the end of the cleavage stage of development.
这标志着卵裂发育阶段的结束。
Objective To investigate the relationship between the first polar body morphology of oocyte and the zygote morphology in pronucleus stage, embryo quality in cleavage stage.
目的探讨卵细胞第一极体形态与原核期受精卵形态、卵裂期胚胎质量的关系。
According to the observed morphology on the fracture surface, the fracture surface had pseudo-cleavage feature and plastic tearing feature in the last stage of crack growth in high magnification.
高倍下观察断口发现有准解理特征，在裂纹扩展最后阶段有塑性撕裂特征。
应用推荐