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Xylem   Listen
noun
Xylem  n.  (Bot.) That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; distinguished from phloem.






Collaborative International Dictionary of English 0.48








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"Xylem" Quotes from Famous Books



... but in many cases a special water-conducting tissue, consisting of elongated cells, the end walls of which are thin and oblique, forms a definite central strand in the stem. In the forms in which it is most highly developed (Polytrichaceae) this tissue, which is comparable with the xylem of higher plants, is surrounded by a zone of tissue physiologically comparable to phloem, and in the rhizome may be limited by an endodermis. The conducting strands in the leaves show the same tissues as in the central strand of the stem, and in ...
— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 - "Brescia" to "Bulgaria" • Various



Words linked to "Xylem" :   vascular tissue, tracheid, woody plant



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