Clubmoss stem,light micrograph. Transverse section through the stem of the clubmoss Lycopodium clavatum. The layers from outer to inner are: the single-layered epidermis; the cortex; and the central vascular cylinder (stele). The cortex contains parenchyma cells (white) and sclerenchyma cells (red). The stele consists of xylem cells (tracheids,deep red),parenchyma cells (green) and phloem (green). Magnification: x45 when printed at 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 5208 px × 5192 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |