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This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. "Skin pigmentation" redirects here. For animal skin pigmentation, see Biological pigment. Extended Coloured family from South Africa showing some spectrum of human skin coloration Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among ...
Drug-induced pigmentation of the skin may occur as a consequence of drug administration, and the mechanism may be postinflammatory hyperpigmentation in some cases, but frequently is related to actual deposition of the offending drug in the skin. [2]: 125–6 The incidence of this change varies, and depends on the type of medication involved.
The westerlies (blue) and trade winds (yellow and brown) The general atmospheric circulation. Trade winds (red), westerlies (white) and the South Pacific anticyclone (blue) [1] The westerlies, anti-trades, [2] or prevailing westerlies, are prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude.
Alpine salamanders produce a toxin from their skin, and both fully melanistic, black salamanders and spotted individuals produce the compound. [ 32 ] Studies done that traced DNA histories have suggested that the original alpine salamander phenotype was black with some yellow spots, meaning that the fully black color evolved over time and was ...
283652 317750 Ensembl ENSG00000188467 ENSMUSG00000035183 UniProt Q71RS6 Q8C261 RefSeq (mRNA) NM_205850 NM_175034 RefSeq (protein) NP_995322 NP_778199 Location (UCSC) Chr 15: 48.12 – 48.14 Mb Chr 2: 124.91 – 124.93 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Sodium/potassium/calcium exchanger 5 (NCKX5), also known as solute carrier family 24 member 5 (SLC24A5), is a protein ...
Excessive consumption of elemental silver, silver dust or silver compounds can cause the skin to be colored blue or bluish-grey. This condition is called argyria. A similar skin color can result from prolonged exposure to gold, typically as a little-used medical treatment. The gold-induced greyish skin color is called chrysiasis. Argyria and ...
There are also a number of other conditions that affect hands, feet, and parts of the face with associated skin color changes that need to be differentiated from acrocyanosis: Raynaud phenomenon, pernio, acrorygosis, erythromelalgia, and blue finger syndrome. The diagnosis may be challenging in some cases, especially when these syndromes co-exist.
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().