The mature laticifers had a thin layer of electron-dense peripheral cytoplasm in which the organelle could not be distinguished and a large central vacuole filled with latex particles. 5.

  • 成熟乳汁管的原生质体为一电子致密薄层,中央为大液泡,其内充满了乳汁颗粒。

  • 互联网摘选 2025-01-19 22:46:20

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