Polarised light micrograph of a section of the common or black alder (Alnus glutinosa). This is a European deciduous tree (family Betulaceae) growing to a height of 25m. Numerous longitudinally sectioned medullary rays are seen running horizontally. Magnification: x27 at 10cm wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Lowry, Steve |
Bildgröße: | 4608 px × 3792 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |