• The ovules are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.

    胚珠半球形的,2个被膜,腱鞘状,而孢子细胞直接作为孢子母细胞起作用

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  • The micropyle is formed with inner integuments and partial outer integument.

    腹侧珠被构成

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  • Most angiosperm ovules possess two integuments, while gymnosperms usually have only one.

    大多数被子植物胚珠被,裸子植物通常只有层。

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  • Results The differences of the configurations and integuments between benign and malignant neoplasns were significant.

    结果恶性形态、包膜及内部回声明显差异

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  • There is no starch in the nucellus, integuments and the antipodal cells, the persistent synergid contains a large amount of starch.

    心、被、反细胞淀粉宿存助细胞具丰富淀粉。

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  • The ovary contains 20-23 ovules. The ovules are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.

    子房胚珠20—23枚,胚珠横生,被二层,薄珠心,孢细胞直接孢子细胞作用

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  • The ovary contains 20-23 ovules. The ovules are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.

    子房胚珠20—23枚,胚珠横生,被二层,薄珠心,孢细胞直接孢子细胞作用

    youdao

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