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单词 endosperm
释义

Definition of endosperm in English:

endosperm

nounˈɛndə(ʊ)spəːmˈɛndəˌspərm
mass nounBotany
  • The part of a seed which acts as a food store for the developing plant embryo, usually containing starch with protein and other nutrients.

    〔植〕胚乳

    Example sentencesExamples
    • Most of its volume is taken up by the starchy endosperm, where starch and storage proteins are accumulated.
    • Tobacco seeds accumulate oil and protein in the embryo, cellular endosperm and inner layer of the seed coat.
    • Soluble proteins from endosperm and leaf tissues were used.
    • Thus the three seed components, embryo, endosperm and seed coat, are genetically distinct.
    • Cereal grains, for example, store the bulk of their storage proteins in the starchy endosperm.

Definition of endosperm in US English:

endosperm

nounˈendəˌspərmˈɛndəˌspərm
Botany
  • The part of a seed which acts as a food store for the developing plant embryo, usually containing starch with protein and other nutrients.

    〔植〕胚乳

    Example sentencesExamples
    • Thus the three seed components, embryo, endosperm and seed coat, are genetically distinct.
    • Tobacco seeds accumulate oil and protein in the embryo, cellular endosperm and inner layer of the seed coat.
    • Soluble proteins from endosperm and leaf tissues were used.
    • Most of its volume is taken up by the starchy endosperm, where starch and storage proteins are accumulated.
    • Cereal grains, for example, store the bulk of their storage proteins in the starchy endosperm.
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更新时间:2025/6/19 10:21:16