fibrous root

ひげ根

WordNet

1. any of numerous begonias having fibrous rather than tuberous or rhizomatous roots
2. plant by the roots
3. (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground
4. a number that, when multiplied by itself some number of times, equals a given number
5. cause to take roots
6. take root and begin to grow; "this plant roots quickly"
7. (linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem" (同)root word, base, stem, theme, radical
8. the part of a tooth that is embedded in the jaw and serves as support (同)tooth_root
9. come into existence, originate; "The problem roots in her depression"
10. (of meat) full of sinews; especially impossible to chew (同)sinewy, stringy, unchewable
11. the condition of belonging to a particular place or group by virtue of social or ethnic or cultural lineage; "his roots in Texas go back a long way"; "he went back to Sweden to search for his roots"; "his music has African roots"
12. the process of putting forth roots and beginning to grow

PrepTutorEJDIC

1. 《しばしば複数形で》『根』 / 『根元』 / 《the~》『根源』,根本;根底 / 《複数形で》(その人の根底にある)ある場所との根源的なつながり / (数学で)根,ルート / (派生語の)語根(例えばrootlessの中のroot) / 〈植物〉‘を'『根づかせる』 / 《しばしば受動態で》(根をおろしたように)(…に)…‘を'『定着させる』『+『名』+『to』(『in』)+『名』》 / (…に)『根を下ろす』,定着する《+『in』(『on』,『to』)+『名』》
2. 〈豚などが〉(…をあさって)鼻で地面を掘る《+『about』(『around』)『for』+『名』》 / (…を捜して)〈人が〉かき回す《+『about for』+『名』》
3. (…を)声援する,(…の)成功を願う《+『for』+『名』》
4. 繊維の,繊維状(質)の
5. 《補語にのみ用いて》(植物が)根づいた / (考えなどが)定着した

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/02/15 13:55:04」(JST)

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Fibrous Roots of mature Roystonea regia palm, Kolkata, India

A fibrous root system is the opposite of a taproot system. It is usually formed by thin, moderately branching roots growing from the stem. A fibrous root system is universal in monocotyledonous plants and ferns. The fibrous root systems look like a mat made out of roots when the tree has reached full maturity.

Most trees begin life with a taproot, but after one to a few years change to a wide-spreading fibrous root system with mainly horizontal surface roots and only a few vertical, deep anchoring roots. A typical mature tree 30-50 m tall has a root system that extends horizontally in all directions as far as the tree is tall or more, but well over 95% of the roots are in the top 50 cm depth of soil.

A few plants with fibrous root systems:

• Coconut palm
• Grass
• Onion

Fibrous roots grow fairly close to the surface of the ground. Leaves with parallel venation have fibrous roots.

References

UpToDate Contents

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English Journal

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• Schultz CJ, Tzikas A, Moelker A, Rossi A, Nuis RJ, Geleijnse MM, van Mieghem N, Krestin GP, de Feyter P, Serruys PW, de Jaegere PP.SourceDepartment of Cardiology, Erasmus Medical Center, Rotterdam, The Netherlands. c.schultz@erasmusmc.nl.
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Japanese Journal

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• Dental Materials Journal advpub(0), 1103080120, 2011
• … The molars of Wistar rats were extracted and repositioned in the original socket after application of the sealers on the root apices. … On day 14, the lesions induced by all types of sealers were healed and replaced predominantly by fibrous connective tissue. …
• NAID 130000651784

• Hypertrophic Synovial Mass Resulting in C8 Radiculopathy : Case Report

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• Neurologia medico-chirurgica = 神経外科 50(1), 73-76, 2010-01-15
• … Decompression surgery of the left C8 nerve root was performed. … The mass markedly compressed the left C8 nerve root and was gross totally removed. … The histological diagnosis was proliferated fibrous connective tissue compatible with hypertrophic synovial tissue. …
• NAID 10025950057

Related Links

• Fibrous root system - Wikipedia, the free encyclopedia

A fibrous root system (sometimes also called adventitious root system) is the opposite of a taproot system. It is usually formed by thin, moderately branching roots growing from the stem. A fibrous root system is universal in monocotyledonous ...

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関連記事	「root」「fibrous」

「root」

　　[★]

• n.

• (神経の)神経根、(植物の)根、根菜類、(舌・耳・翼・指などの)付け根、根元、(歯・毛・つめなどの)根、根源、根本、核心、基礎、ルーツ

　 　 　 　 　 　 　 　 　 　 　

「fibrous」

　　[★]

• adj.

• 線維性の、線維状の

関

fibrotic、filamentous