...A single-celled hair originating from the root epidermis, a type of absorptive hair. Roots may absorb water directly from the surface, but in most cases, they do so through root hairs. Unlike above-ground parts, roots rarely differentiate into appendages, but root hairs are one of the few examples. They adhere closely to soil particles and also play a role in strengthening the support function of the root. Root hair cells usually have thin cell walls and the nucleus is located at the tip. They are short-lived and lose their function as root hairs when they get old. [Iwatsuki Kunio]... *Some of the terminology that mentions "root hair" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…根の表皮起源の単細胞性の毛で,吸収毛の一種。根は表面から水を直接吸収することもあるが,多くの場合は根毛から吸収する。地上部と違って,根には付属物が分化することが少ないが,根毛はその少ない例の一つである。土壌の粒のまわりに密着し,根の支持の働きを強める役割も果たしている。根毛細胞はふつう細胞壁が薄く,核は先端に位置している。短命で,古くなると根毛の機能を果たさなくなる。【岩槻 邦男】… ※「root hair」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
>>: Root maggot (English spelling) rootmaggot
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