44.2 MB (4.8 MB compressed)
4815 x 3211 pixels
40.9 x 27.2 cm ⏐ 16.1 x 10.7 in (300dpi)
M.I. WALKER / SCIENCE PHOTO LIBRARY M.I. WALKER / SCIENCE PHOTO LIBRARY
Light micrograph of the cells of the bulb scale epidermis of an onion, showing the bands of large, rectangular cells. The spot in the centre of each cell is its nucleus. Magnification: x63 at 35mm size.
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