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. 2004.

Look at other dictionaries:

  • 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

  • Hair cell — For hair cells on the external skin, see Hair follicle. For algal hair cells , see Trichocyte (disambiguation). Neuron: Hair cell Section through the spiral organ of Corti. Magnified. ( Oute …   Wikipedia

  • 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 * * * noun : one of the many hairlike tubular outgrowths of epidermal or sometimes cortical… …   Useful english dictionary

  • 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 …   Australian English dictionary

  • 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 — 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

  • Root nodule — Cross section though a soybean (Glycine max Essex ) root nodule. The bacterium, Bradyrhizobium japonicum, colonizes the roots and establishes a nitrogen fixing symbiosis. This high magnification image shows part of a cell with single bacteroids… …   Wikipedia

  • Root — This article is about the part of a plant. For other uses, see Root (disambiguation). Primary and secondary roots in a cotton plant In vascular plants, the root is the organ of a plant that typically lies below the surface of the soil. This is… …   Wikipedia

  • Hair follicle — A hair follicle is part of the skin that grows hair by packing old cells together. Attached to the follicle is a sebaceous gland, a tiny sebum producing gland found everywhere except on the palms, lips and soles of the feet. The thicker density… …   Wikipedia

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