Maize stem. Light micrograph of a section through a maize plant stem (Zea mays). Vascular bundles (darker clusters) can be seen containing xylem (larger openings) and phloem (smaller openings) tissues. Xylem transports water and mineral nutrients from the roots throughout the plant,while phloem transports carbohydrates and plant hormones around the plant. Magnification: x14 when printed 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 5664 px × 4984 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |