Twentieth century practice; an international encyclopedia of modern medical science by leading authorities of Europe and America . Fig. 52.—Uric-Acid Crystals. A, Fig. 53.—Uric-Acid Crystals More Crystallization on a Cotton Highly JIagnified. A, Crystal- Fibre, lization on a Cotton Fibre. this tendency to crystallize upon foreign matter that leads to the fre-quent production of uric-acid calculi. Uric-acid crystals are for themost part rhomboidal in shape, but may be rectangular, or, havingrounded extremities, they may appear ovoidal or circular. They areusually flattened, but sometimes appear
Twentieth century practice; an international encyclopedia of modern medical science by leading authorities of Europe and America . Fig. 52.—Uric-Acid Crystals. A, Fig. 53.—Uric-Acid Crystals More Crystallization on a Cotton Highly JIagnified. A, Crystal- Fibre, lization on a Cotton Fibre. this tendency to crystallize upon foreign matter that leads to the fre-quent production of uric-acid calculi. Uric-acid crystals are for themost part rhomboidal in shape, but may be rectangular, or, havingrounded extremities, they may appear ovoidal or circular. They areusually flattened, but sometimes appear to be almost perfect union of several crj^stals often produces stars and variouslyformed clusters (Figs. 52 and 53). They are the only crystals in urinewhich have a yellow color; they may vary from a dark orange orbrownish-yellow to a pale yellow, but they are never colorless. Uric-acid crystals cannot be considered abnormal in quantity, because ofspontaneous crystallization, unless this occurs within six hours afterthe urine has been voided and in unusually large quantity. Urates. The acid urates of sodium an
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Keywords: ., bookcentury1800, bookdecade189, booksubjectmedicine, bookyear1895
