File:An American text-book of genito-urinary diseases, syphilis and diseases of the skin (1898) (14782313942).jpg

Identifier: americantextbook00bang (find matches)
Title: An American text-book of genito-urinary diseases, syphilis and diseases of the skin
Year: 1898 (1890s)
Authors: Bangs, Lemuel Bolton, 1842-1914 Hardaway, W. A. (William Augustus), 1850-1923
Subjects: Urogenital System Urination Disorders Syphilis Skin Diseases
Publisher: Philadelphia, W. B. Saunders
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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Fig. 116.—Laminated ap-pearance of stone from thedeposit of alternate layers(lltzmann).
Text Appearing After Image:
Fig. 117.—Finely-laminated stone of oxalate of lime (Ultzmann). changes in the urinary salts that are commonly observed. In the writersexperience the most frequent change is that from oxalate of lime to the 412 VESICAL CALCULUS. amorphous phosphates and back again: this particular form of phosphaticdeposit is that which, when it is persistent and excessive, is one of the moreconspicuous symptoms of the condition to which the name of phosphaturiahas been given. In this disease the urine is already neutral or alkaline whensecreted in the kidneys. The condition is quite distinct from that of thealkaline decomposition of the urine in the bladder, which is due to localcauses, and in which the large clear crystals of the ammonio-magnesic ortriple phosphates are seen. Stones may be classified, according to the salts predominating in theircomposition, as follows: (1) Uric acid and acid urates ; (2^ Oxalate of lime; (3) Phosphatic; (4) Cystine. Stones of indigo, urostealith, and xanthin have

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