Xylem

Celery stalk

Description

A type of plant tissue contained in the woody tissues, roots, stems, and leaves of all vascular plants. Xylem cells are elongated and have thickened walls. They conduct water and nutrients through the plant. Types of xylem tissues are tracheids, vessels, parenchyma, and fibers.

Synonyms and Related Terms

phloem; Xylem (Dan., Deut., Sven.); xylème (Fr.); (It.); xyleem (Ned.); drewno (Pol.); xilema (Port.);

Additional Images

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  Xylem

Authority

• Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972

• Mary-Lou Florian, Dale Paul Kronkright, Ruth E. Norton, The Conservation of Artifacts Made from Plant Materials, The Getty Conservation Institute, Los Angeles, 1990

• Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Xylem (Accessed Nov. 29, 2005)

• Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976