Heller's pathological chemistry of the urine : with short and easy directions for its examination to which is appended a brief account of some of the other excretions, and of the blood and milk / by Ludvig Dahl ; translated from the Norwegian by William D. Moore.

  • Ludvig Wilhelm Dahl
Date:
1855
Catalogue details

Licence: Public Domain Mark

Credit: Heller's pathological chemistry of the urine : with short and easy directions for its examination to which is appended a brief account of some of the other excretions, and of the blood and milk / by Ludvig Dahl ; translated from the Norwegian by William D. Moore. Source: Wellcome Collection.

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    saw this statement of investigating the point ; but I may observe that the low specific gravity of the specimen mentioned above, and of another in which some years before I had found it so low as 1*003, is presumptive evidence against the pre¬ sence of any considerable quantity of sugar. The saccharine condition referred to, is attributed to the fact that the sugar, which, as is well known, is generated in the foetal liver, is but imperfectly destroyed, there being no respiration, and the pro¬ cess of oxidation in the foetus being consequently indirect and deficient in energy.* In connexion with the absence of urea in the foetal urine, my attention was drawn to a statement which has been made, that “ infants secrete scarcely a trace of urea.” I examined the urine of an infant aged six months, nourished exclusively at the breast ; of another at the same age, fed artificially ; and also that of a child aged ten months, labouring under dysentery and fed artificially. “ In each instance the quantity of urea present was pretty considerable, fully proportionate to the specific gravity of the fluid operated on.”f] The occurrence of blood and pus in the urine is spoken of under the head of sediments. * Heller’s Archiv, 1852 ; p. 74. f Dub. Q. Jvol. 7, p. 49.
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