Nettle stinging hair. Polarised light micrograph of a stinging hair from a Roman nettle (Urtica pilulifera). This tapering needle-shaped cell consists of a round basal part embedded in a multi-cellular pedestal (turquoise-green). The stinging cell itself has a central vacuole that is blue at the base and red at the tip. The cell wall (yellow) is thick and glass-like (silicified),especially at the red end. The tip itself ends in a spherical seal. Magnification: x230 when printed at 10 centimetres high | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 2669 px × 6815 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |