A guide to the examination of the urine : designed chiefly for the use of clinical clerks and students / By J. Wickham Legg, M.D.

  • John Wickham Legg
Date:
1872
Catalogue details

Licence: Public Domain Mark

Credit: A guide to the examination of the urine : designed chiefly for the use of clinical clerks and students / By J. Wickham Legg, M.D. Source: Wellcome Collection.

Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.

    49/120 (page 37)
    CIll.OlMUKS. Ilippui'ic acid, wlirii cva])n)-air(I to (li-yncss willi nitric acid, in a j^orcclaiu cnicihle, over a laiiij), and tlicn t'urtlier lieatcd ti) redness, gives oil' a o-as suiellino- like oil of bitter almonds. This reaction is common to benzoic and Lippnric acids. Clinical Import. Hi])pnric acid exists in small quantity in the urine in health : its amount is greatly increased b}' the eating* of much fruity, and also by the ingestion of benzoic acid. The hip- puric acid appears in the urine in c|uantity equiva- lent to the benzoic acid taken. Exchiding these circumstances, hippuric acid is also found in quan- tity in the urine of fever patients, and may even be the cause of the acid reaction : the amount is also increased in diabetes and chorea. Accord- ing to Kiihne, the hippuric acid disappears from the urine of jaundice. Nothing is known of the importance of this acid in therapeutics or diagnosis. CHLORIDES. Chlorides may be known to be present by the following test. To a fluid drachm of urine in a