Text-book of medical and pharmaceutical chemistry . s 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. T
Text-book of medical and pharmaceutical chemistry . s 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 swell, the nucleibecoming more distinct and the outline gradually acid produces a similar change, but more rapidly. Solu-tions of KOH, NaOH, and NH^OH disintegrate these corpus-cles, destroying the cells and granules; the nuclei are the last Fig. (rt) Micrococci in Shout Chains and Groups; (l>) Sarcin^; (c) Fungi from AcidFermentation; (rf) Veast Cells from Diabetic Urine; {e) Mycelium of aFungus. to disappear. In alkaline urines, therefore, the mucous and puscorpuscles, if present, rapidly undergo disintegration. Epithelium cells of a variety of shapes are found in normalurine. Those from the convoluted portion of the tubules are poly-gonal in shape, but on remaining for some time in the urine,absorb water and become globular. They are a little larger thanpus corpuscles, and may be distinguished from the latter by hav-ing one large, distinct nucleus. The epithelium cells of the loopof Henle and the larger collecting tubes are columnar in shape. 6i6 MEDICAL CHEMISTRY. Those from the ureter, pelvis, and urethra are elongated andconical, containing one nucleus near the centre. Large, flatepithelium cells are obtained from the bladder, vagina, andfemale urethra. (Fig. 76.) In
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