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perisperm

/ˈpɛr.ɪ.spɜːm/

翻译: 名词,指某些种子中包围胚乳或胚囊的营养组织,为发育中的胚提供养分。

1 个条目

noun

/ˈpɛr.ɪ.spɜːm/C2formalscientific
  • zh名词,指某些种子中包围胚乳或胚囊的营养组织,为发育中的胚提供养分。

A noun referring to the nutritive tissue that surrounds the embryo sac in certain seeds, providing nourishment to the developing embryo.

  1. Nutritive seed tissueC2formalscientific

    The nutritive tissue that surrounds the embryo sac in some seeds, providing food for the developing embryo.

    zh外胚乳

    • In some seeds, the perisperm is the primary storage tissue for nutrients.
    • The perisperm is distinct from the endosperm in its origin and composition.
    • Botanists study the perisperm to understand seed development.
词形
  • perisperms plural form
  • perisperms' possessive plural form
  • perisperm's possessive singular form