- xylem
- xylem ► NOUN Botany ▪ the vascular tissue in plants which conducts water and dissolved nutrients upwards from the root and also helps to form the woody element in the stem.ORIGIN from Greek xulon 'wood' .
English terms dictionary. 2015.
xylem
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Xylem — (8) im Querschnitt eines Blattes; (1) = Cuticula; (2) = obere Epidermis; (3) = Palisadengewebe; (4) = Schwammgewebe; (5) = untere Epidermis; (6) = Spalt der Spaltöffnung; (7) = Schließzellen; (8) = Xylem; (9) = Phloem; (10) = Blattader / Leit … Deutsch Wikipedia
Xylem — er den væsentligste bestanddel af veddet i et træ. Xylem er vaskulært væv, som står for transporten af opløste stoffer og vand fra rødder til blade … Danske encyklopædi
xylem — (n.) woody tissue in higher plants, 1875, from Ger. Xylem, coined from Gk. xylon wood, of unknown origin … Etymology dictionary
Xylem — Xy lem, n. [Gr. xy lon wood.] (Bot.) That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; distinguished from phlo[ e]m. [1913 Webster] … The Collaborative International Dictionary of English
Xylēm — (griech.), s. Leitbündel, S. 390 … Meyers Großes Konversations-Lexikon
Xylem — Xylēm (grch.), der holzige, wasserleitende Teil der Gefäßbündel und somit auch des Stamms … Kleines Konversations-Lexikon
Xylem — Xylem, Holzteil, Gefäßteil, dem Transport von Wasser und darin gelösten Ionen dienendes Leitgewebe in Cormophyten. Zu ihm gehören als Leitungselemente ⇒ Tracheiden bei Pteridophyten (Farnpflanzen) und Gymnospermen (Nacktsamer), Tracheiden und ⇒… … Deutsch wörterbuch der biologie
xylem — [zī′ləm, zī′lem] n. [Ger < Gr xylon, wood] the woody vascular tissue of a plant, characterized by the presence of vessels or tracheids or both, fibers, and parenchyma, that conducts water and mineral salts in the stems, roots, and leaves and… … English World dictionary
Xylem — Multiple cross sections of a flowering plant stem showing primary and secondary xylem and phloem[1] Xylem is one of the two types of transport tissue in vascular plants. (Phloem is the other). The word xylem is derived from the Classical Greek… … Wikipedia
xylem — /zuy leuhm, lem/, n. Bot. a compound tissue in vascular plants that helps provide support and that conducts water and nutrients upward from the roots, consisting of tracheids, vessels, parenchyma cells, and woody fibers. [1870 75; < G, equiv. to… … Universalium
