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.
â¢Cyanosis = blueness from deficiency of O2 in blood â¢Erythema = abnormal redness due to dilated vessels â¢Pallor = pale/ashen color when there is so little blood flow through skin that white color of dermal collagen is visible â¢Albinism = genetic lack of melanin that results in white hair, pale skin, & pink eyes â¢Jaundice = yellowing of skin & sclera ...