这个词是什么意思？
The initial stages of the growth of SEEDS into a SEEDLINGS. The embryonic shoot (plumule) and embryonic PLANT ROOTS (radicle) emerge and grow upwards and downwards respectively. Food reserves for germination come from endosperm tissue within the seed and/or from the seed leaves (COTYLEDON). (Concise Dictionary of Biology, 1990)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D018525 · MeSH 2026。
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