cotyledon

1.cotyledons fleshy, epigeous.

肉质的子叶，地上。

2.Its cotyledon node zone is telome elongation type.

结果表明:向日葵幼苗的子叶节类型为顶枝伸长型。

3.The large amount of PAO could be found in the cytoplasm of parenchyma in cotyledon and in the cell membranes and intercellular spaces of cortical parenchyma in phyllogen.

顶皮层薄壁组织细胞的细胞膜、细胞间隙和子叶薄壁组织细胞的细胞质也有PAO的大量分布。

4.Major isoflavone in cotyledons, leaves and roots were daidzin and genistin and their derivatives, genistin and its malonyl derivatives, and malonyl daidzin, respectively.

幼苗子叶中的异大豆甙和染料木甙及其丙二酰衍生物为主，叶片中主要含有染料木甙及其丙二酰衍生物，根中异组分丙二酰大豆甙为主；

5.The results showed that the levels of arginine and arginase were the highest in cotyledons, which decreased slowly during plant development, followed by leaves and stems, with roots being the lowest.

结果表明，精氨酸含量和精氨酸酶活性子叶中最高，且随幼苗生长发育逐渐下降，其次为叶片和茎，根中最低。