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 — ► 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
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
