Text-book of medical and pharmaceutical chemistry . Brights disease attended with fatty degene-ration. In chyluria it occurs in greater abundance. Indigo occurs in the urine as concretions and amorphousfragments, and also in the form of blue crystals, and fine blueneedles cohering together in clusters. The crystals of indigoare not rare in decomposing and fermenting urines. They occur 6i4 MEDICAL CHEMISTRY. more especially in the urine of hepatic abscess and cirrhosis ofthe liver. 952. Urinary Concretions of considerable size are occa-sionally to be seen in urine, with the naked eye. They cons
Text-book of medical and pharmaceutical chemistry . Brights disease attended with fatty degene-ration. In chyluria it occurs in greater abundance. Indigo occurs in the urine as concretions and amorphousfragments, and also in the form of blue crystals, and fine blueneedles cohering together in clusters. The crystals of indigoare not rare in decomposing and fermenting urines. They occur 6i4 MEDICAL CHEMISTRY. more especially in the urine of hepatic abscess and cirrhosis ofthe liver. 952. Urinary Concretions of considerable size are occa-sionally to be seen in urine, with the naked eye. They consist, forthe most part, of urates, or urates with uric acid. Their recogni-tion is important in the diagnosis of renal colic. Their color isusually red or brown when composed of uric acid or acid concretions of larger size occur more rarely. Theyare light colored. Other concretions are occasionally met with. 953. Foreign Bodies occur in the urine from accidentalcauses, or from negligence in collecting the specimen. We may Fig. (a) Spermatozoa ; {c) Amorphous Calcium Carbonate; (/;) CrystallineMagnesium Phosphate. mention fungi, yeast cells, microorganisms, fat globules, fibers ofsilk, linen, wool, feathers, wood, starch, etc. Bodies of this kindwill be seen in almost every specimen examined. They will notcause any confusion after a little practice, as but one of the kindwill usually be found, and they are so different from any of thesediments that mistakes will hardly be made. Fragments oftumors, as sarcoma, carcinoma, etc., may occasionally be found,and their import is self-evident. 954. Organized Deposits. — Mucous corpuscles areseen as round, finely granular cells, somewhat larger than blood URINARY DEPOSITS OR SEDIMENTS. 615 corpuscles, and containing from 3 to 5 nuclei. They cannot bedistinguished from the colorless blood corpuscles. (See Fig, 78.)Pus corpuscles resemble the mucous corpuscles in their ap-pearance. Water causes these corpuscles to sw
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