======Vessel length======
**道管長**

一本の道管における[[v:vessel_end|道管末端]]から[[v:vessel_end|道管末端]]までの距離。

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  - Sperry JS, Hacke UG, Wheeler JK (2005) Comparative analysis of end wall resistivity in xylem conduits. Plant, Cell & Environment, 28: 456–465.