cotyledon
子叶
常用释义
英音[ ˌkɒtɪˈliːdən ]
美音[ ˌkɑːtɪˈliːdən ]
变形
复数:
cotyledons
基本释义
- n. [植] 子叶
例句
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1·The NPR of green pods was very small, and that of cotyledon higher.夏大豆绿色豆荚的光合速率很低，而子叶的光合速率却较高。
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2·Fructification includes peel, seed coat, cotyledon and embryo 4 parts.果实包括果皮。种皮。子叶和胚四部分。
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3·Multiple shoots were induced on cotyledon nodes of soybean by means of organogenesis.通过器官发生途径，由大豆子叶节诱导丛生芽。
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4·The results show that the impact of hormone on callus induction from cotyledon is obvious.结果表明，激素对子叶切块愈伤组织诱导的影响是很明显的。
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5·There was a big difference in the induction frequency from cotyledon culture to various genotypes of faba bean.不同基因型对蚕豆子叶节诱导芽效果差异很大；
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6·A efficient regeneration system of plantlets was established with cotyledon as explants in melon Cucumis melo l.建立了以薄皮甜瓜品种‘弥河银瓜’子叶为外植体的高效再生体系。
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7·The esterase isoenzyme bands were the most in cotyledon differentiatingembryoid, but the least in mature embryoid.酯酶同工酶则以子叶分化期胚为最多，成熟胚为最少。
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8·The protein bodies developed later than oil bodies. There were a few starch granules in pericarp, seed coat and cotyledon.果皮，种皮，子叶都储存淀粉粒，但含量较油体和蛋白体少。
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9·The observation to exterior morphology in the seedling growth process discovered that the agapanthus is cotyledon excavated type.幼苗发育过程中对外部形态的观测发现，本文所研究的百子莲属不同亚种及品种的幼苗为子叶出土类型。
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10·The anatomical structure of its primary vascular system was studied and its cotyledon node zone is longer than that of Ranonculaceae.其初生维管系统的解剖学研究表明：子叶节区明显长于毛茛科植物幼苗，属顶枝伸长型。