胚胎发育阶段是生物体从受精卵到器官完全建成，直至衰老死亡的过程。多细胞生物的个体发育包括生长、细胞分化和形态发生等三种彼此有关的过程。植物的生长有持续性，从胚开始生长到死亡，不断重复产生新的器官，在物质代谢中完成发育。
双语例句原声例句
-
在胚胎发育阶段，兴奋和抑制性神经元的适当比例确立以优化大脑功能。
During embryonic development, the proper ratio of excitatory and inhibitory neurons is established for optimal brain function.
-
目的 探讨四倍体胚胎发育阶段对胚胎干细胞（ES）嵌合体小鼠制备的影响。
Objective To investigate the effects of developmental stages of tetraploid embryos on mouse chimeras from embryonic stem cells (ES).
-
同时，比较了饲养层细胞类型、生长因子、胚胎发育阶段等因素对绵羊胚胎干细胞分离培养效果的影响。
The effect of feeder cell type, growth factors, and embryo developmental stage on establishment of sheep embryonic stem cell was also studied in present experiment.
-
Well, it really happens throughout development and it happens from the first stages.
这一过程不仅贯穿整个发育阶段,并且于胚胎发育伊始就存在
应用推荐
$firstVoiceSent
- 来自原声例句