root cap

英 美
  • 根冠
  • cap n.帽子;盖子;顶;上限vt.超过;加盖于;戴帽;覆盖;完成;设限vi.脱帽致意
  • root n.根;根源;根本v.生根;扎根;根除
Noun:
  1. thimble-shaped mass of cells covering and protecting the growing tip of a root

    1. The root cap protects the growing parts of a root as the root grows through the soil.
      根冠保护根的生长区域在土壤里向前运动。
    2. It is an important pathway for movement of these substances outside the xylem, for example across the root cortex.
      质外体是木质部外方物质运动的一个重要途径,例如物质穿过根冠。