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amphitropous ovule

/æmˈfɪtrəpəs ˈɒvjuːl/

翻译: 胚珠的一种类型,珠孔与珠柄靠近,胚囊弯曲;用于描述被子植物胚珠的特定 orientation。

1 个条目

phrase

/æmˈfɪtrəpəs ˈɒvjuːl/C2formalscientific
  • zh胚珠的一种类型,珠孔与珠柄靠近,胚囊弯曲;用于描述被子植物胚珠的特定 orientation。

An ovule that is bent so that the micropyle and funiculus are close together, with the embryo sac curved; a botanical term describing a specific orientation of the ovule in flowering plants.

  1. Botanical termC2formal

    An ovule that is bent so that the micropyle and chalaza are at right angles to the funiculus, with the embryo sac curved.

    zh弯生胚珠

    • The amphitropous ovule is characteristic of certain plant families.
    • Botanists studied the structure of the amphitropous ovule under a microscope.
    • In an amphitropous ovule, the nucellus is partially surrounded by the integuments.