Castor oil stem. Light micrograph of a longitudinal section through the stem of a castor oil (Ricinus communis) plant. At right are large and small parenchyma cells (blue). Immediately to their left are two rows of proto-xylem vessels and one row of spiral meta-xylem (both red),which transport water around the plant. To the left of this is a bundle of phloem fibres (red) sandwiched between two groups of phloem cells (blue). Magnification: x45 when printed at 10 centimetres tall | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 3425 px × 5138 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |