50.0 MB (1.3 MB compressed)
3292 x 5307 pixels
27.9 x 45.0 cm ⏐ 11.0 x 17.7 in (300dpi)
CLAUDIA STOCKER / SCIENCE PHOTO LIBRARY CLAUDIA STOCKER / SCIENCE PHOTO LIBRARY
Plant vascular bundle. Illustration showing the structure of vascular bundle from a monocotyledon root. At centre (top) is the pith, which is surrounded by the xylem (white tubes) and phloem (green tubes). Xylem transports water around the plant, while phloem transports carbohydrates. The outer layer (bottom) is the cortex, which consists of parenchyma cells.
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