A Guide to the Clinical Examination of the Urine

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Damrell and Upham, 1891 - Urine - 206 pages
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Page 4 - ... capillaries. Thus there is an interchange of fluids, the result of which is the elaborated urine. The original objection to this theory, that an acid fluid is obtained by osmosis from an alkaline one, no longer holds, since laboratory experiment shows that such may actually take place.1 On the other hand, if the tubules are stripped of their epithelium, as they often are in disease, urea is no longer eliminated so abundantly, although the conditions for osmosis remain even better than before....
Page 154 - The result is a general backing up of the venous blood in the right cavities of the heart, the great veins emptying into the right heart, and thence all through the body.
Page 57 - It turns polarized light to the right, and upon this fact is based a most satisfactory, though expensive, quantitative test. Detection. — The specific gravity alone, when 1030 or more, is quite suggestive of the presence of sugar ; and if at the same time the urine is very pale, and exceeds 1500 cc in the 24 hours, the probability that sugar is present becomes almost a certainty. The only presumptive source of error is a large excess of urea.
Page 86 - Urinary deposits have been classified by different writers according to their physical characteristics, their nature and origin, and the reaction of the urine in which they are found. The simplest of these classifications is the second, in which the sediment is regarded either as organized or not organized.

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