Carpal Tunnel Syndrome And Tarsal Tunnel Syndrome Carpal tunnel syndrome is a condition in which irritation of the wrist's median nerve causes tingling and numbness of the thumb,...learn more Â». In This Article.
1 Argyria-characterised by a metallic, slate-grey or blue-grey pigmentation. 2  The hyperpigmentation is most apparent in the UV-exposed areas of skin, especially the forehead, nose, and hands, as well as mucous membranes. 3  Argyria results from prolonged contact with or ingestion of silver salts.
(ËÊm bÉr) n. 1. a brown earth, largely oxides of iron and manganese, used as a pigment. 2. the color of such a pigment; dark dusky brown or dark reddish brown. 3. the European grayling, Thymallus thymallus. adj. 4. of the color umber.