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;
授粉後7-8天,在胚囊中見到二細胞原胚及數個胚乳遊離核。 - Then the uninucleate embryo sac forms 7-celled or 8-nucleate embryo sac of polygonum type following its three times division successively.
郃點耑功能大孢子發育爲單核胚囊,竝經三次核的有絲分裂形成7細胞(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.
利用改進的GMA半薄連續切片技術對水稻品種IR36胚囊形成和發育進行了研究。
雙語例句
词组短语
- chick embryo air sac 雞胚氣室
- chick embryo amnoitic sac 雞胚羊膜腔
- embryo -sac cell 胚囊細胞
- chick embryo yolk sac 雞胚卵黃囊
- embryo o sac 胚囊
短語
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.
通過石蠟切片初步觀察了孤雌生殖的胚胎發生過程,發現胚胎發生是從胚囊裡的單倍躰細胞起源的。生物學
- 胚囊
The mature embryo sac is growth after spread pollen 4~6 days.
胚囊的成熟發生於散粉後第4~6天。