Squash root. Light micrograph of a transverse section through a squash (Cucubita sp.) root. The large vessels (red) are xylem cells,which transport water. Parenchyma tissue is blue. At the outer ends of the xylem tissue are groups of phloem cells that transport carbohydrates around the plant. The outer layer is cork cambium (brown). Magnification: x45 when printed at 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 5358 px × 5244 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |