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Section through stem of Virginia creeper

Section through stem of Virginia creeper

B725/0262

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Credit

J.C. REVY, ISM / SCIENCE PHOTO LIBRARY J.C. REVY, ISM / SCIENCE PHOTO LIBRARY

Caption

Stem of Virginia creeper. Light micrograph of a transverse (cross) section through the stem of a Virginia creeper, Parthenocissus inserta. This is a typical dicotyledonous stem of a climbing plant. The outer cortex (brown) is strengthened with thick-walled collenchyma cells; the inner cortex of parenchyma cells is stippled pink. At middle is the wheel-like stele with "spokes". Between the pink "spokes" is phloem tissue; internal to the phloem are large xylem vessels (white on brown). Phloem conducts nutrients from leaves down the stem; xylem transports water from the roots upwards. There is a central pith with hollow spaces. Magnification: x3.5 at 35mm size.

Release details

Model release not required. Property release not required.

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