embryo sac
基本解释
- [植] 胚囊
英汉例句
- There ware two cell proembryo and some endosperm free nucleuses in the embryo sac 7-8 days after pollination;
授粉后7-8天,在胚囊中见到二细胞原胚及数个胚乳游离核。 - Then the uninucleate embryo sac forms 7-celled or 8-nucleate embryo sac of polygonum type following its three times division successively.
合点端功能大孢子发育为单核胚囊,并经三次核的有丝分裂形成7细胞(8核)的蓼型胚囊。 - The process of embryo sac formation and development in rice (cultivar IR36) was studied by the modified GMA semi-thin serial sectioning technique.
利用改进的GMA半薄连续切片技术对水稻品种IR36胚囊形成和发育进行了研究。
双语例句
词组短语
- chick embryo air sac 鸡胚气室
- chick embryo amnoitic sac 鸡胚羊膜腔
- embryo -sac cell 胚囊细胞
- chick embryo yolk sac 鸡胚卵黄囊
- embryo o sac 胚囊
短语
英英字典
- the structure within a plant ovule that contains the egg cell: develops from the megaspore and contains the embryo plant and endosperm after fertilization
柯林斯英英字典
专业释义
- 胚囊
Through paraffin section,we can see that the embryogenesis was originated inside the embryo sac.
通过石蜡切片初步观察了孤雌生殖的胚胎发生过程,发现胚胎发生是从胚囊里的单倍体细胞起源的。生物学
- 胚囊
The mature embryo sac is growth after spread pollen 4~6 days.
胚囊的成熟发生于散粉后第4~6天。