Twentieth century practice; an international encyclopedia of modern medical science by leading authorities of Europe and America . Fig. 53.—Calcium-OxalateCrystals. Phosphates. Only the alkaline phosphates are found in urinary occur as triple phosphates of ammonium and magnesium or ascalcium phosphate. Two forms of triple-phosphate crystals maj beencountered, but the form most frequently seen is a triangular prism. Fig. 56.—Crystals of Ammonium-Magnesium Phosphates (from, a camera-lucida sketch),crystal at the extreme left is probably calcium phosphate. The having bevelled ends
Twentieth century practice; an international encyclopedia of modern medical science by leading authorities of Europe and America . Fig. 53.—Calcium-OxalateCrystals. Phosphates. Only the alkaline phosphates are found in urinary occur as triple phosphates of ammonium and magnesium or ascalcium phosphate. Two forms of triple-phosphate crystals maj beencountered, but the form most frequently seen is a triangular prism. Fig. 56.—Crystals of Ammonium-Magnesium Phosphates (from, a camera-lucida sketch),crystal at the extreme left is probably calcium phosphate. The having bevelled ends, the coffin-lid crystals (Fig. 56). These crys-tals are sometimes defective, lacking part of their length and appear-ing almost square, or one or more corners may be absent. The otherform is rarely met vdih and consists of rosettes or star-shapedbunches of feathery crystals often resembling fern leaves, and prob-ably representing an early stage of crystallization. They are foundin alkaline urine. When an acid reaction is detected in urine con-taining triple phosphates it is probably due to the fact pointed out CHEMICAL SEDIMENTS. 767 by Brims, of New Orleans, that the upper stratum of the urine isacid, while the lower containing the phosphates has become alkaline. Calcium phosphate occurs either as a whitish, flocculent sedi-ment which the microscope resolves into irregular collections ofminute, nearly colorless granule
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Keywords: ., bookcentury1800, bookdecade189, booksubjectmedicine, bookyear1895
