木质部 Xylem
（重定向自Transpiration pull）
木质部是维管植物的运输组织，负责将根吸收的水分及溶解于水里面的离子往上运输，以供其他器官组织使用，另外还具有支持植物体的作用。
Transpiration pull
中文百科
英语百科
Xylem 木质部
（重定向自Transpiration pull）
Xylem is one of the two types of transport tissue in vascular plants, phloem being the other. The basic function of xylem is to transport water from roots to shoot and leaves, but it also transports some nutrients. The word xylem is derived from the Greek word ξύλον (xylon), meaning "wood"; the best-known xylem tissue is wood, though it is found throughout the plant.
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