Vascular tissue in dicot plant stem, light microscopy

Videonummer 12329252
Vascular tissue in dicot plant stem. Light micrograph (LM) rostrum footage of a section of a dicot stem, showing the arrangement of vascular tissue (purple). Vascular tissues transport water and dissolved substances inside the plant and helps support the stem. The two types of vascular tissue are xylem and phloem. Xylem carries water and dissolved ions from the roots to stems and leaves. Phloem carries dissolved sugars from the leaves to all other parts of the plant. Xylem has two kinds of conducting cells, tracheids and vessel elements. Ground tissue of the stem (called pith and cortex) develops support cells to hold the young plant upright. The dicot stem has a distinct ring of vascular bundles.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Gschmeissner, Steve
Modell-Rechte: nicht erforderlich
Länge: 12 Sekunden
Seitenverhältnis: 16:9
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