radicle
['rædɪk]
n.
（神经，血管等的）根;
幼根;
胚根;
基;
例句:
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The root system of the soybean consists of a taproot formed by the radicle.
大豆的根系包括由胚根形成的主根.
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Among cotyledon , petiole of cotyledon, hypocotyl, and radicle, hypocotyl has the most responsive explants to 2, 4 - D .
在子叶 、 叶柄 、 胚轴以及胚根四者当中, 下胚轴对2, 4-D 的反应状况最好.
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Coleorhiza ( pl . coleorhizae ) The protective sheath surrounding the radicle in grasses.
胚根鞘:保护幼根的鞘状结构.