epicotyl

英式音标：['epɪˌkɒtl]

美式音标：['epɪˌkɒtəl]

词汇分类：O/A level 分类英语词汇（上）数学、物理、化学、生物,大学医学英语词汇,AP生物（AP Biology）

词义：

n.

上胚轴；

英英释义

Epicotyl

In plant physiology, the epicotyl is the embryonic shoot above the cotyledons. In most plants the epicotyl will eventually develop into the leaves of the plant.

以上来源于:Wikipedia

用法：

权威例句

Water relations of growing pea epicotyl segments

Plant regeneration from epicotyl explant of Jatropha curcas

Rapid induction of specific mRNAs by auxin in pea epicotyl tissue.

Genotype Affects the Morphogenic Response in vitro of Epicotyl Segments of Citrus Rootstocks

Auxin and hydrogen ion actions on light-grown pea epicotyl segments I. Tissue specificity of auxin and hydrogen ion actions

Auxin and hydrogen ion actions on light-grown pea epicotyl segments II. Effect of hydrogen ions on extension of the isolated epidermis

Direct and indirect shoot organogenic pathways in epicotyl cuttings of Troyer citrange differ in hormone requirements and in their r...

Massive Synthesis of Ribonucleic Acid and Cellulase in the Pea Epicotyl in Response to Indoleacetic Acid, with and without Concurren...

Effects of ethylene on the orientation of microtubules and cellulose microfibrils of pea epicotyl cells with polylamellate cell walls

Soybean BRU1 Encodes a Functional Xyloglucan Endotransglycosylase That is Highly Expressed in Inner Epicotyl Tissues during Brassino...

造句：

1. Epicotyl segments were the optimal explants for adventitious buds regeneration.

上胚轴是再生不定芽的最佳外植体类型。

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2. Study on In Vitro Culture and Plant Regeneration in Citrus Reticulata Blanco Epicotyl;

以雪柑实生苗上胚轴为材料，建立了高效离体培养再生体系。

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3. We studied effects of different hormones and combination on buding and rootting of Citrus reticulata Blanco epicotyl in tissue culture.

椪柑无菌苗上胚轴为实验材料进行离体培养，研究了不同种类的激素及其组合对椪柑上胚轴出芽及再生芽生根的影响。

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4. Ability of direct shoot formation of sour pomelo was higher than Zhong Jiang pomelo when epicotyl was used for explants. (Rate of shoot formation was respectively 85.70% and 20.00%).

以上胚轴切段为外植体时，酸柚直接出芽能力明显强于中江柚（出芽率分别是85.70％和20.00％）。

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5. Ability of direct shoot formation of sour pomelo was higher than Zhong Jiang pomelo when epicotyl was used for explants. (Rate of shoot formation was respectively 85.70% and 20.00%).

以上胚轴切段为外植体时，酸柚直接出芽能力明显强于中江柚（出芽率分别是85.70％和20.00％）。

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