endarch xylem

См. также в других словарях:

• endarch — adjective Date: 1900 formed or taking place from inner cells outward < endarch xylem > …   New Collegiate Dictionary

• 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

• Endarch — refers to primary xylem maturation in which the protoxylem is internal in the stem to the metaxylem (the primary xylem develops centrifugally). The protoxylem is therefore found on the inner side of the bundle (e.g. seed plant stems) …   Wikipedia

• endarch — [en′därk΄] adj. [< END(O) + Gr archē, beginning] Bot. having the primary xylem maturing from the center of the stem toward the outside: cf. EXARCH2 …   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

• endarch — endarchy, n. /en dahrk/, adj. Bot. (of a primary xylem or root) developing from the periphery; having the oldest cells closest to the core. [1895 1900; END + arch having a point of origin (as specified)] * * * …   Universalium

• endarch — end•arch [[t]ˈɛn dɑrk[/t]] adj. bot (of a primary xylem or root) developing from the periphery; having the oldest cells closest to the core • Etymology: 1895–1900; end + arch having a point of origin end′ar•chy, n …   From formal English to slang

• endarch — /ˈɛndak/ (say endahk) adjective denoting a strand or cylinder of primary xylem in a stem or root with the protoxylem on its inner edge. {end(o) + Greek archē beginning} …  

• Lepidodendrales — Lepidodendron lycopodioides Zeitraum Devon bis Perm Systematik Reich …   Deutsch Wikipedia

• Trimerophytophyta — Zeitraum Unteres Devon bis Mittleres Devon 411 bis 385 Mio. Jahre Systematik ohne Rang: Archaeplastida ohne Rang: Chloroplastida ohne Rang …   Deutsch Wikipedia

• Aethophyllum stipulare — Zeitraum Anisium (Trias) 246 bis 237 Mio. Jahre Fundorte Voltzia Sandstein (Grès à Voltzia), Vogesen Systematik Unterabteilung: Samenpflanzen (Sper …   Deutsch Wikipedia