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- Dictionaryroot hair
noun
- 1. 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.
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- Root hair
Part of a plant. 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 hairs or absorbent hairs, are outgrowths of epidermal cells, specialized cells at the tip of a plant root. They are lateral extensions of a single cell and are only rarely branched. They are found in the region of maturation, of the root. Root hair cells improve plant water absorption by increasing root surface area to volume ratio which allows the root hair cell to take in more water. The la... Wikipedia
