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Webster Definition for "xylem"

Cross references: 1. phloem

xy.lem \'zi--l*m, -.lem\ n [G, fr. Gk xylon] : a complex tissue in the vascular system of higher plants consisting of vessels, tracheids, or both usu. together with wood fibers and parenchyma cells, functioning chiefly in conduction but also in support and storage, and typically constituting the woody element (as of a plant stem)

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