P. DAYANANDAN / SCIENCE PHOTO LIBRARY P. DAYANANDAN / SCIENCE PHOTO LIBRARY
Fluorescent light micrograph (cross-section), through the stem of an unidentified monocotyledon, showing a vascular bundle (face in the foreground) surrounded by pith cells. The vascular bundle consists of both xylem & phloem: the former conducts water & minerals from the roots, & the latter carries sugar manufactured in the leaves to the rest of the plant. Magnification: x60 at 35mm size.
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