Thin cross section through a yellow mustard (sinapis alba) seed grain,prepared in water,showing the outer surface of the seed grain. On the outer epidermis the cells can uptake lots of water showing swelling and birefringent mucilage production,seen here in polarization contrast in red and blue colors. Microscopic contrast technique polarization contrast with quarter wave plate. Magnification 90x when printed 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Guenther, Gerd |
Bildgröße: | 5616 px × 3744 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |