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Celery stem, light micrograph

Celery stem, light micrograph

B725/0300

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Credit

EYE OF SCIENCE / SCIENCE PHOTO LIBRARY EYE OF SCIENCE / SCIENCE PHOTO LIBRARY

Caption

Celery. Light micrograph of part of a thinly sliced section across a celery (Apium graveolens) stem. An outer layer (green) surrounds the soft watery interior. Vascular bundles (white and dark green) support the stem. These bundles contain xylem (holes in dark green tissue) and phloem (white) tissue that carry water & minerals, and sugars respectively. The phloem lies on the outer edges of the vascular bundles, between the xylem and the fibrous strands (clear collenchyma tissue) that run down the stem surface. These associated structures make up the stringy fibre-rich parts of celery. Darkfield illumination. Magnification: x22 at 6x7cm size.

Release details

Model release not required. Property release not required.

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