noun Date: 1902 the part of the primary xylem that differentiates after the protoxylem and that is distinguished typically by broader tracheids and vessels with pitted or reticulate walls

New Collegiate Dictionary. 2001.

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  • metaxylem — [met΄ə zī′ləm] n. [ META + XYLEM] the outer part of the primary xylem, or woody tissue of a plant, consisting of thick walled or pitted cells …   English World dictionary

  • metaxylem — /met euh zuy leuhm, lem/, n. Bot. the part of the primary xylem that is the last to be formed, usually having weblike or pitted surfaces. [1900 05; META + XYLEM] * * * …   Universalium

  • metaxylem — meta·xylem …   English syllables

  • metaxylem — /mɛtəˈzaɪləm/ (say metuh zuyluhm) noun that part of the primary xylem of a vascular strand which is formed after elongation has ceased …   Australian English dictionary

  • metaxylem — | ̷ ̷ ̷ ̷ at meta + noun Etymology: International Scientific Vocabulary meta + xylem : the part of the primary xylem that differentiates after the protoxylem and is typically distinguished by broader tracheids and vessels with pitted or… …   Useful english 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 — (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

  • Stele (biology) — In a vascular plant, the stele is the central part of the root or stem containing the tissues derived from the procambium. These include vascular tissue, in some cases ground tissue (pith) and a pericycle, which, if present, defines the outermost …   Wikipedia

  • Lyginopteridales — Crossotheca, Pollenorgan Zeitraum Karbon Systematik ohne Rang: Charophyta …   Deutsch Wikipedia

  • Aiphanes — Stachelpalmen Aiphanes horrida Systematik Unterklasse: Commelinaähnliche (Commelinidae) Ordnung …   Deutsch Wikipedia

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