释义 |
root hair
root hairn. A thin hairlike outgrowth of an epidermal cell of a plant root that absorbs water and minerals from the soil.root hair n (Botany) any of the hollow hairlike outgrowths of the outer cells of a root, just behind the tip, that absorb water and salts from the soil root′ hair` n. an elongated tubular extension of an epidermal cell of a root, serving to absorb water and minerals from the soil. [1855–60] root hair A hair-like outgrowth of a plant root that absorbs water and minerals from the soil.ThesaurusNoun | 1. | root hair - thin hairlike outgrowth of an epidermal cell just behind the tip; absorbs nutrients from the soilplant organ - a functional and structural unit of a plant or fungusroot - (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 |
root hair
root hair[′rüt ‚her] (botany) One of the hairlike outgrowths of the root epidermis that function in absorption. root hair
root hairn. A thin hairlike outgrowth of an epidermal cell of a plant root that absorbs water and minerals from the soil.root hair a hair-like outgrowth from the epidermis of roots. Root hairs occur in large numbers in a zone behind the growing tip, are short-lived, and greatly increase the absorbing area of the root.root hair
Words related to root hairnoun thin hairlike outgrowth of an epidermal cell just behind the tipRelated Words |