embryonic root造句

"embryonic root"是什么意思   


  1. It is the embryonic root inside the seed.
  2. The radicle or embryonic root is the first part of a seedling to emerge from the seed during the process of germination.
  3. In the embryo, root phloem develops independently in the upper hypocotyl, which lies between the embryonic root, and the cotyledon.
  4. The " radicle " is the embryonic root of the plant, and grows downward in the soil ( the shoot emerges from the plumule ).
  5. This forms a mass of fine roots, with no distinct tap root, because the embryonic root dies back while the plant is still young and growing.
  6. It's difficult to find embryonic root in a sentence. 用embryonic root造句挺难的
  7. A typical young seedling consists of three main parts : the radicle ( embryonic root ), the hypocotyl ( embryonic shoot ), and the cotyledons ( seed leaves ).


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