After a period of proliferation during the second trimester, neurons are also "pruned," meaning that they undergo a planned cell death.
在增殖期过后第二个三个月里，神经元也被“削减”，这意味着它们经历了一个有计划的细胞死亡过程。
2
AIM: To investigate the effects of new blood capillaries on the proliferation of dermal fibroblasts in vitro and the role of new capillaries during the period of dilatation.
目的：研究新生毛细血管对体外培养人皮肤成纤维细胞增殖的影响，探讨新生毛细血管在扩张过程中的作用。
3
In the second half, due to the prevention and control measures from the reality of AIDS in China from imported into a period of proliferation, the rapid spread of high-risk groups.