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nucellus

/njuːˈsɛl.əs/

翻译: 种子植物胚珠内的一层富含营养的中央组织,包围并滋养胚囊。

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noun

C2formalcommonscientific/njuːˈsɛl.əs/

The central, nutrient-rich tissue within the ovule of a seed plant that surrounds and nourishes the embryo sac.

  • 🇨🇳种子植物胚珠内的一层富含营养的中央组织,包围并滋养胚囊。
  1. Central part of a plant ovule C2 formal scientific

    The central, nutrient-rich tissue within the ovule of seed plants that surrounds and nourishes the embryo sac.

    • The nucellus provides essential nutrients to the developing embryo sac.
    • In some plants, the nucellus persists and forms a protective layer around the seed.
    • The integuments surround the nucellus, which contains the megaspore mother cell.

    🇨🇳植物胚珠的中央部分

    同义词: macrosporangiummegasporangium

  • nucelli plural form
  • nucelli's possessive plural form
  • nucellus's possessive singular form