1) embryo primordium
胚原基
1.
The relationships of the age of the plant and the mature period of fruit to the seed size of panax quinquefolius were researchel with the seed sieve,and observations of the sizes of embryo primordium were carried out in classified seeds and the derelopment in the presprouting of seeds.
应用过筛分级法研究了西洋参的母株年龄、果实成熟期与其种子大小的关系，观察了种子胚原基大小及其在催芽过程中的发育，提出了大于4。
2) embryonic primordum
胚胎原基
3) carcinoembryonic antigen gene
[遗]癌胚抗原基因
4) proembryo
[,prəu'embriəu]
原胚
1.
Two cDNA libraries were constructed from microdissected 214 rice proembryos (2-3 d after pollination) and 121 just differentiating young embryos (3-5 d after pollination) respectively through RT_PCR technique.
由原胚向开始形成胚器官的分化胚过渡 ,必定有一系列特异表达基因的调控。
2.
The zygote divides horizontally and develops into a basal cell and an apical cell which simultaneously divide horizontally and develop to a rectilinear proembryo with four cells.
顶端细胞和基细胞都进行横向分裂 ,形成直线状 4-细胞的原胚 。
3.
Egg cells, zygotes and proembryos of Allium tuberosum Roxb were isolated using an enzymatic digestion.
用同样的方法也成功地分离了韭菜的合子和早期原胚。
5) CEA promoter
癌胚抗原基因启动子
6) anti-CEA antibody gene
癌胚抗原抗体基因
补充资料：海胆的发育原肠胚期
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条