root hair

root hair
noun
thin hairlike outgrowth of an epidermal cell just behind the tip; absorbs nutrients from the soil
Hypernyms: ↑plant organ
Part Holonyms: ↑root

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noun
: one of the many hairlike tubular outgrowths of epidermal or sometimes cortical cells commonly found just behind the root apex that function in absorption and are continually replaced as the root elongates

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an elongated tubular extension of an epidermal cell of a root, serving to absorb water and minerals from the soil.
[1855-60]

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root hair noun
A fine tubular outgrowth from a cell by which a young root absorbs water
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Main Entry:root

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root hair,
a hairlike outgrowth from a root of a plant. Root hairs absorb water and dissolved minerals from the soil.

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n. Botany each of a large number of elongated microscopic outgrowths from the outer layer of cells in a root, absorbing moisture and nutrients from the soil

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Root hair — Root Root, n. [Icel. r[=o]t (for vr[=o]t); akin to E. wort, and perhaps to root to turn up the earth. See {Wort}.] 1. (Bot.) (a) The underground portion of a plant, whether a true root or a tuber, a bulb or rootstock, as in the potato, the onion …   The Collaborative International Dictionary of English

  • root hair — root′ hair n. bot an elongated tubular extension of an epidermal cell of a root, serving to absorb water and minerals from the soil • Etymology: 1855–60 …   From formal English to slang

  • root hair — n. Bot. any of the thin walled, hairlike tubular outgrowths from a growing root, which serve to absorb water and minerals from the soil …   English World dictionary

  • Root hair — A root hair is a tubular outgrowth of root epidermal cells of vascular plants. They are found only in the region of maturation of the root. Root hairs are a specialized form of rhizoid.Root hairs form an important surface over which plants absorb …   Wikipedia

  • root hair — rizoidai statusas T sritis ekologija ir aplinkotyra apibrėžtis Samanų, kerpių, dumblių, grybų panašios į šaknis išaugos, kuriomis šie augalai prisitvirtina prie substrato, pasisavina iš jo vandenį ir mineralines medžiagas. atitikmenys: angl.… …   Ekologijos terminų aiškinamasis žodynas

  • root hair — /ˈrut hɛə/ (say rooht hair) noun an elongated tubular extension of an epidermal cell of the root serving to absorb water and minerals from the soil …  

  • root hair — an elongated tubular extension of an epidermal cell of a root, serving to absorb water and minerals from the soil. [1855 60] * * * …   Universalium

  • root hair cell — Root epidermal cell, part of which projects from the root surface as a thin tube, thus increasing the root surface area and promoting absorption of water and ions …   Dictionary of molecular biology

  • root hair — noun Date: 1853 a filamentous extension of an epidermal cell near the tip of a rootlet that functions in absorption of water and minerals …   New Collegiate Dictionary

  • Root hairs — Root hair cells, the rhizoids of many vascular plants, are tubular outgrowths of trichoblasts, the hair forming cells on the epidermis of a plant root. That is, root hair cells are lateral extensions of a single cell and only rarely branched.… …   Wikipedia

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