- plant anatomy
- exact: portion of xylem tissue
- exact: xilema (Spanish)
- exact: 木質部 (Japanese)
- A portion of vascular tissue (PO:0009015) that has as part one or more tracheary elements (PO:0000290). [source: ISBN:0471245194]
- Functions in the translocation of water and solutes from roots (PO:0009005) to the shoot system (PO:0009006) and in support. Tracheary elements have lignified cell walls with secondary thickening and are dead at maturity.
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