protoxylem

protoxylem
\\|prōd.(ˌ)ō+\ noun
Etymology: prot- + xylem
: the first part of the primary xylem that differentiates from the procambium and that is distinguished from the metaxylem by smaller diameter and the annular, spiral, or occasionally scalariform wall thickenings

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/proh'teuh zuy"leuhm, -lem/, n. Bot.
the part of the primary xylem that develops first, consisting of narrow, thin-walled cells.
[1895-1900; PROTO- + XYLEM]

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protoxylem /prō-tə-zīˈləm/ (botany)
noun
The first part of the xylem to be formed
ORIGIN:proto-

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protoxylem, -zeugma
see proto- 2 b, 1.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • protoxylem — [prōt΄ō zī′ləm, prōt΄ō zī′lem΄] n. Bot. the first formed xylem of a root or stem, produced by the differentiation of the procambium …   English World dictionary

  • protoxylem point — noun : the protoxylem strand in cross section …   Useful english dictionary

  • protoxylem strand — noun : a group of protoxylem elements forming a longitudinal strand in the stele …   Useful english dictionary

  • protoxylem — noun Date: 1887 the first formed xylem developing from procambium and consisting of narrow cells with annular, spiral, or scalariform wall thickenings …   New Collegiate Dictionary

  • protoxylem — /proh teuh zuy leuhm, lem/, n. Bot. the part of the primary xylem that develops first, consisting of narrow, thin walled cells. [1895 1900; PROTO + XYLEM] * * * …   Universalium

  • protoxylem — noun The first xylem to form in a plant …   Wiktionary

  • protoxylem — pro·to·xylem …   English syllables

  • protoxylem — pro•to•xy•lem [[t]ˌproʊ təˈzaɪ ləm, lɛm[/t]] n. bot the part of the primary xylem of a plant that develops first, consisting of narrow, thin walled cells …   From formal English to slang

  • protoxylem — /proʊtəˈzaɪləm/ (say prohtuh zuyluhm) noun the part of the primary xylem that develops first, consisting of narrow, thin walled cells. {proto + xylem} …  

  • 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

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