Dog rose stem. Light micrograph of a cross-section through the stem of a dog rose (Rosa canina) plant. The outer cortex (red) is made of cork cambium tissue,beneath which is a ring of phloem and sieve tube bundles (yellow). Under this is a ring of cambium (red) and then woody fibres (green and red). The solid pith (centre,pink) is composed of large parenchyma cells. Magnification: x14 when printed 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 4961 px × 4961 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |