root cap
英
美
- 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:
-
thimble-shaped mass of cells covering and protecting the growing tip of a root
- 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。
- 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。