The science and practice of medicine . gives the least accurate of all results. For further details regarding the processes of volumetric analysisthe reader is referred to the excellent little treatise of Mr. FrancisSutton, already noticed. Section VIII.—The Microscopic Examination of the Urine, andTHE Pathological Relations of the Deposits. / In perfectly healtby urine there ought to be no sediment what- ever, unless it be the very merest haze of mucus, or the slightestprecipitate of urates caused by a low temperature. Even thesemay be abnormal (Parkes). The sediments have been broadly arrang
The science and practice of medicine . gives the least accurate of all results. For further details regarding the processes of volumetric analysisthe reader is referred to the excellent little treatise of Mr. FrancisSutton, already noticed. Section VIII.—The Microscopic Examination of the Urine, andTHE Pathological Relations of the Deposits. / In perfectly healtby urine there ought to be no sediment what- ever, unless it be the very merest haze of mucus, or the slightestprecipitate of urates caused by a low temperature. Even thesemay be abnormal (Parkes). The sediments have been broadly arranged by Dr. Parkes intothe following three classes (1. c): CLASS I.—substances SUSPENDED IN THE URINE WHICH HAVE NEVER been DISSOLVED. They commence to precipitate as soon as the urine is most important sediments belong to this class, and consistchiefly of organic bodies derived from the structures composing theurinary organs, or of the productive effects of disease upon the kid- CELL-FORMS SEEN m THE URINE. 913 Fiff. 22*. ney, such as wflammation, tubercle, cancer. They often afford theonly signs of kidney disease, or of the implication of the kidney insomev general atfection. They are made up of the following sub-stances : 1. Mucus mid Epithelium, from the Urinary Passages.—In many dis-eases the quantity of epitheliumfrom the bladder is increased, in-dicating catarrhal inflamination ofthe raucous membranes. The epi-thelial cells are of various sizesand stages of formation (Fig. 22);and frequently free nuclei are catarrh of the bladder the mu-cus, from its cohesion, is apt toform thin transparent flakes orcylinders, resembling casts fromthe prostate or kidney. The epithelium-cells from thepelvis of the kidney are often tri-angular or caudate, with well-defined nucleihere together in groups of three to ten, when theyappear to have an imbricated arrangement, and per-haps are more closely connected than natural, by ad-hesive mucus (Fig. 23). They are never
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