. Diseases of the dog and their treatment. muriatic acid and heldover the urine, a white cloud-like vapor arises from theurine. Specific Gravity of the Urine.—This varies in the dogbetween 10IG and lOGO. It can be tested by means of the urinometeror if we have only a small quantity we can test it readily by the area-pikometer. This instrument the writer has found to be very useful. Itis shown in Fig. 75. Place the urine to be tested into the receptacle it full, taking care that there are no air bubbles in it. Close it andthen sink it in water at 15° R. The specific weight of the urine w
. Diseases of the dog and their treatment. muriatic acid and heldover the urine, a white cloud-like vapor arises from theurine. Specific Gravity of the Urine.—This varies in the dogbetween 10IG and lOGO. It can be tested by means of the urinometeror if we have only a small quantity we can test it readily by the area-pikometer. This instrument the writer has found to be very useful. Itis shown in Fig. 75. Place the urine to be tested into the receptacle it full, taking care that there are no air bubbles in it. Close it andthen sink it in water at 15° R. The specific weight of the urine willthen be marked on the scale. As a rule it will be found that dark urine has a high and light-colored urine a low specific gravity. But there are exceptions to this,for in diabetes mellitus the urine is clear and high in specific gravity,while in nephritis it is dark in color and has a low specific urine seen during starvation has a low specific gravity. Foreign Substances in the Urine.—The following substances appear. Fig. 75.—Areapikometer. 17G DISEASES OF THE URIXARY AND SEXUAL APPARATUS in the urine under pathological circumstances. jMucus, blood, particu-larly red blood corpuscles, white and pus corpuscles, fat, epithelium,and tissues, urinary cylinders, animal and vegetable parasites, crystals,albumen, sugar, or coloring matter of bile and indican. a. Mucus is found in the bladtler under all conditions, either inhealth or disease of the urinary passages, and is found in particularlylarge fiuantities in catarrh of the bladder. b. Blood.—If the blood is mixed in the urine evenly and the corpus-cles are reduced in size and cylinders are present, it indicates hemoirhagefrom the kidneys. If blood is present it is called hsematuria and whenthe urine is stained with blood or blood-coloring matter it is called hcemo-globinuria or methtemogloljinuria. Hellers test or the spectroscopecan be used to test urine for blood or lilood coloring matter. Hellers Test
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