File:Urinary analysis and diagnosis by microscopical and chemical examination (1906) (14782438864).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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, star-shapedor stellate. Amorphous simple phosphates (see Fig. 36) appear in the form ofcolorless globules or granules, of a moderate refraction, either single orclustered together in variously sized groups, but never in a moss-likearrangement, as the sodium urate. These phosphates are abundantlyfound after a milk diet, as well as after drinking different alkaline min-eral waters. Star-shaped or stellate simple phosphates, although of less frequentoccurrence than the other variety, are by no means rare, and are oftenfound in conjunction with the triple phosphates. They consist (see Fig.37) either of slender, colorless rods or of pointed spicules of various sizes, CRYSTALLINE AND AMORPHOUS SEDIMENTS. 87 at times larger and smaller ones being found together. Although theymay be found single, their characteristic grouping is in the form of starsor rosettes, more or less complete. The spicules, of which the rosettesare composed, are united in the centre of the rosette, while each spicule
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Fig. 37.—Star-shaped Simple Phosphates (X 500). may have a uniform diameter or be broadened at the periphery and nar-rowed in the centre. Much has been written about the significance of the phosphates in theurine, and great stress has been laid upon their continual increase ordiminution, the latter being said to be of constant occurrence in cases ofnephritis. It is an undeniable fact that the phosphates are diminished 88 URINARY ANALYSIS AND DIAGNOSIS. in severe and usually advanced cases of nephritis, but not more so thanthe other salts, there being a pronounced decrease of all salts in such j cases. In rare cases there is a continual increase of the phosphates in theurine, without any apparent cause. Such cases have been designated bythe term phosphahiria, and they may give similar symptoms to those ofoxaluria. The phosphates precipitating in the urine being frequently

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