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u·re·a frost, uremic frost
powdery deposits on the skin, especially the face, including urea and uric acid salts, due to excretion of nitrogenous compounds in the sweat; seen in severe uremia.
Synonym(s): uridrosis crystallina
a pale frostlike deposit of white crystals on the skin caused by kidney failure and uremia. Urea compounds and other waste products of metabolism that cannot be excreted by the kidneys into the urine are excreted through the small superficial capillaries into the skin, where they collect on the surface.
uremic frostA finding in severe chronic renal failure, in which the concentration of urea is ↑↑↑ in the sweat, causing precipitation of crystallized urea in the skin. See Uremia.
u·re·a frost, uremic frost (yūr-ē'ă frawst, -mik)
Powdery deposits on the skin, especially face, due to excretion of nitrogenous compounds in sweat.