Urinary Colloids in the Prevention of Kidney-Stone Formation

Abstract
THE nature and process of kidney-stone formation has puzzled the medical profession for a long time. In the sixteenth century Paracelsus expressed the opinion that a material obtained from food constituted the basic cementing material essential to stone formation. In 1856 Meckel1 advanced the theory that the organic gluing or cementing matrix was a product of an inflammatory condition of the urinary tract. Fourcroy and Vauquelin2 considered the cementing substance to be albumin and gelatin. Ebstein,3 by dissection and analysis of stones, concluded that urinary calculi contain a framework of albuminous substances. He believed that this organic material resulted from . . .

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