File:Urinary analysis and diagnosis by microscopical and chemical examination (1906) (14598284827).jpg

Identifier: urinaryanalysi00heit (find matches)
Title: Urinary analysis and diagnosis by microscopical and chemical examination
Year: 1906 (1900s)
Authors: Heitzmann, Louis, 1864- (from old catalog)
Subjects: Urine Diagnosis
Publisher: New York, W. Wood and company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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ladder, the pelves of the kidneys, the ureters,and the uriniferous tubules of the kidneys. The urethral epithelia arealso the same in both sexes, but are most common in the male. Epithelia from the Bladder (see Fig. 50).—The epithelia from the blad-der are of three distinct varieties and are easily recognizable; these areflat epithelia from the upper layers, cuboidal from the middle layers, andcolumnar from the deepest layer. Flat epithelia may be seen both infront view and edgewise, when they may appear more or less folded. Asmall number of these epithelia, without the presence of pus-corpuscles, 108 URINARY ANALYSIS AND DIAGNOSIS. may be seen in every normal urine. They have no significance whatever,since the flat epithelia continually desquamate in health, though in asmall amount only. As soon as they occur with pus-corpuscles and withcuboidal epithelia, they have a pathological significance. These flat epi-thelia may be seen either singly or in clusters of varying size. Although
Text Appearing After Image:
Fig. 50.—Epithelia from the Bladder (X 500).U, Upper layers; UF, upper layers, folded; M, middle layers; D, deepest layer. the size of these epithelia is distinctly smaller than that of the epitheliafrom the upper layers of the vagina, a small number may occasionally befound, of almost the same size as the latter, derived from the neck of thebladder, near the prostate gland. Their number, together with the size EPITHELIA. 10!) of the cuboidal epithelia and the fact of their not containing bacteria, isas a rule sufficient to clear up the diagnosis. Cuboidal epithelia from the middle layers are never found in normalurine; they may be scant) or numerous. When cuboidal epithelia arepresent in moderate or large numbers, with many flat epithelia from theupper layers, the diagnosis of an acute process can be made. If, on theother hand, the upper layers are scanty or entirely absent, the process isa chronic one. Whenever fresh exacerbations of an old process set in,the flat epithelia become

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