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Secondary root

Biology Secondary phloemSecondary Structure

 


secondary roots. The network of fine roots that develops from the primary roots of a strawberry plant and picks up water and nutrients from the soil; white roots.
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secondary root A branch or lateral root.
secondary spermatocyte See spermatocyte.
secondary thickening Deposition of secondary cell wall materials which result in an increase in thickness in stems and roots.

secondary root
(Lateral root.) A root that arises from another, older primary root. Initiated by the plant hormone, auxin.
secondary phloem
Tissue produced by vascular cambium and composed of both sieve tubes and companion cells.

Primary and secondary roots in a cotton plant
In vascular plants, the root is the organ of a plant body that typically lies below the surface of the soil (compare with stem).

Pericycle - the outer boundary of the stele. Secondary roots branch from it.
Xylem - arranged in bundles in a spokelike fashion
Phloem - alternates with xylem ...

See also: Plant, Organ, Trans, Roots, Cells