phloem


phloem
Tissue forming part of the plant vascular system, responsible for the transport of organic materials, especially sucrose, from the leaves to the rest of the plant. Consists of sieve tubes, companion cells, fibre cells, and parenchyma.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • phloem — 1875, from Ger. phloëm (1858), from Gk. phloos, phloios bark + passive suffix ema …   Etymology dictionary

  • Phloem — Phlo [ e]m, n. [Gr. ? bark.] (Bot.) That portion of fibrovascular bundles which corresponds to the inner bark; the liber tissue; distinguished from xylem. [1913 Webster] …   The Collaborative International Dictionary of English

  • Phloëm — (griech.), s. Leitbündel, S. 390 …   Meyers Großes Konversations-Lexikon

  • Phloem — Phloēm (grch.), in der Botanik die Gewebepartien, in denen die eiweißleitenden Elemente (Siebröhren etc.) enthalten sind …   Kleines Konversations-Lexikon

  • Phloem — Phloem, Bastteil, Siebteil, dem Transport der Assimilate und einiger organischer Nährstoffe dienendes Leitgewebe in Cormophyten. Zu ihm gehören als Leitungselemente bei Pteridophyten (Farnpflanzen) und Gymnospermen (Nacktsamern) ⇒ Siebzellen, bei …   Deutsch wörterbuch der biologie

  • phloem — ► NOUN Botany ▪ the tissue in plants which conducts food materials downwards from the leaves. ORIGIN from Greek phloos bark …   English terms dictionary

  • phloem — [flō′em΄] n. [Ger < Gr phloos, bark, akin to phloiein, to swell: for IE base see PHLEBO ] the vascular tissue in vascular plants, that conducts and distributes sugars and other dissolved foods from the places where the food is produced to the… …   English World dictionary

  • Phloem — Gefärbter Querschnitt durch eine Sprossachse einer Einkeimblättrigen Pflanze. Das Phloem ist mit einem Pfeil markiert und kaum gefärbt. Oben befindet sich das Xylem. Das Phloem ([flo e:m], von gr. φλοῦς < φλό ος phlóos = Bast, Rinde) oder der… …   Deutsch Wikipedia

  • Phloem — Cross section of a flax plant stem: 1. Pith, 2. Protoxylem, 3. Xylem I, 4. Phloem I, 5. Sclerenchyma (bast fibre), 6. Cortex, 7. Epidermis In vascular plants, phloem is the living tissue that carries organic …   Wikipedia

  • phloem — /floh em/, n. the part of a vascular bundle consisting of sieve tubes, companion cells, parenchyma, and fibers and forming the food conducting tissue of a plant. [ < G (1858), irreg. < Gk phló(os) bark (var. of PHLOIÓS) + ema deverbal n. ending]… …   Universalium

  • Phloem — Phlo|em 〈n. 11; bei Pflanzen〉 Siebteil der Leitbündel; Sy Leptom [zu grch. phloios „Bast“] * * * Phlo|em, das; s, e [zu griech. phlóos = Bast, Rinde] (Bot.): Teil des Leitbündels, der zum Transport der in den Blättern gebildeten Stoffe innerhalb… …   Universal-Lexikon


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.