“medullary ray, pith ray”的概念、定义、翻译、参考文献-科学参考

单词	medullary ray, pith ray
释义	medullary ray, pith ray Encyclopedia 理学〔植物形态与结构〕释 medullary ray, pith ray髓射线位于茎初生结构中维管束之间，连接皮层与髓部的薄壁组织区域。
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