英语词典

cotyledon的意思

cotyledon


英式读音
英式读音

  • n.子叶
  • 网络子葉;胚子;分叶状

英汉释义

  • n.

    1.绒毛叶,子叶

英英释义

  • n.

    1.the first leaf, or one of the first pair of leaves, produced by the seed of a flowering plant.

    2.a tuft of projections on the placenta of a mammal

英汉例句

  • 1.Hypocotyls The stem below the cotyledons, occupying the region between the cotyledon stalks and the point where lateral roots arise.

    是子叶以下的胚轴部分,即子叶着生点与侧根出现位点间的区域。

  • 2.During development of the seedling, the hypocotyl forms the lower portion of the stem from the radicle up to the cotyledons.

    在幼苗发育期间,下胚轴从胚根到子叶的茎的下部形成。

  • 3.Photosynthetic contribution of cotyledons to seedling growth was evaluated as well.

    另外也对子叶光合作用对幼苗成长的帮助进行评估。

  • 4.Cotyledons should pull in the end, about the size of the package when the hand to pull up, and its advantage is thin, tender, plump.

    要把胚子拉到底,差不多大小,包的时候手要向上拉,它的优势是皮薄,肉嫩,丰满。

  • 5.Guard cells length increased gradually while guard cell width did not change significantly during the development of cotyledons. 4.

    子叶保卫细胞的长度随其发育而增大,但保卫细胞宽度保持稳定。

  • 6.embryo with broad fleshy cotyledons completely united externally or not.

    胚具宽的肉质的子叶在外部完全合生或者不。

  • 7.Changes of physiology and biochemistry before and after differentiation of floral primordia in cotyledons of cucumber seedlings .

    黄瓜花原基分化前后子叶的生理生化变化。

  • 8.When the embryo differentiated cotyledons, the haustorium cells gradually degenerated, then disappear.

    胚分化出子叶时,胚乳吸器自合点端向珠孔端退化。

  • 9.Results showed that cultured cotyledons were more sensitive to hygromycin than to kanamycin.

    经实验证明,离体培养的子叶对潮霉素的敏感性大于卡那霉素。

  • 10.However, the epidermal cells of cotyledons, leaves and sepals were irregular with undulate anticlinal walls.

    子叶、叶、花萼和果实上的表皮细胞呈无规则形,垂周壁波形。

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