embryo sac
胚囊
常用释义
英式发音
美式发音
基本释义
- [植] 胚囊
例句
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1·The mature embryo sac has seven cells.成熟胚囊内具七个细胞。
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2·How does macrospore developed to embryo sac?大孢子如何发育成胚囊？
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3·The developed embryo sac has 7 cells containing 8 nuclei.成熟胚囊为8核组成的7细胞胚囊。
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4·All nucellar cells disappear, when an embryo sac is ripe.属薄珠心，胚囊形成时珠心细胞全部消失。
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5·Chalazal end of mature embryo sac is narrow and elongated.成熟胚囊的合点端狭长。
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6·The pollen tube entered into the embryo sac via one synergid.花粉管经由一个助细胞进入胚囊；
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7·There are 4 ~ 11 antipodal cells in embryo sac of Drusa type.德鲁撒型变型胚囊中具有4 ~ 11个反足细胞。
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8·Abnormal development was observed at tetrad and mature embryo sac.在四分体和成熟胚囊时期观察到了异常发育现象。
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9·The development of the embryo sac conformed to the Polygonum type.胚的发育类型为柳叶菜型，核型胚乳。
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10·These abnormalities would cause the abnormal structure of mature embryo sac.这些异常可能最终导致多种结构异常成熟胚囊的形成。