Lichen planus of the gums. Close-up of whitening on the gums of a patient with oral lichen planus. This common condition usually affects middle aged people due to stress,allergy,or of unknown cause. It can affect the skin of mucous membranes (as here) and is thought to be the result of an autoimmune reaction with an unknown trigger | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / CNRI |
Bildgröße: | 5305 px × 3492 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |