. Urinary analysis and diagnosis by microscopical and chemical examination. Fig. 98.—Oil-Globules and Air-Bubbles (X 500).F, Fat- or oil-globules; A, air-bubbles. EXTRANEOUS MATTERS. 173 Instead of the irregular angular cells, perfectly regular, either rectan-gular or square cells, with large, regular, oblong nuclei, may be seen, andthese may also be found singly or in masses. Cork (see Fig. 97).—A common variety of cellulose seen in urine iscork. This occurs either in single cells or smaller conglomerations, andhas a yellowish-brown or reddish-brown color. The individual cells areirregular an
. Urinary analysis and diagnosis by microscopical and chemical examination. Fig. 98.—Oil-Globules and Air-Bubbles (X 500).F, Fat- or oil-globules; A, air-bubbles. EXTRANEOUS MATTERS. 173 Instead of the irregular angular cells, perfectly regular, either rectan-gular or square cells, with large, regular, oblong nuclei, may be seen, andthese may also be found singly or in masses. Cork (see Fig. 97).—A common variety of cellulose seen in urine iscork. This occurs either in single cells or smaller conglomerations, andhas a yellowish-brown or reddish-brown color. The individual cells areirregular and greatly vary in size. They are either perfectly homogene-ous or contain a small number of indistinct granules. At times many ofthese cells will be found closely packed together. When the cells are thin,they may possibly be mistaken for epidermal scales, but their color isalways sufficient to differentiate them from the latter. Oil-Globules and Air-Bubbles (see Fig. 98).—Extraneous fat- or oil-. Fig. 99.—Flaws in the Glass (X 500). globules are of common occurrence in urine. They may be very largeor extremely small, and are either perfectly round or irregular. Theyare of a high refraction, and can frequently be differentiated by theiryellowish color. The smallest globules might perhaps be mistaken forfat-globules voided with the urine, but are almost invariably associatedwith the larger, more irregular, yellowish globules. Air bubbles also vary in size to a great degree, and may be eitherround or irregular; they have a sharply defined, double contour and ablue or bluish-black refraction. Flaws in Glass (see Fig. 99).—Flaw-s in the glass, as well as scratches 174 URINARY ANALYSIS AND DIAGNOSIS. in the cover glass, may easily lead to a mistaken diagnosis. The flawsare irregular in size and shape, and frequently resemble the wings of ibutterfly. They have a faint blue refraction and are usually pale. A lit-
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Keywords: ., bookcentury1900, bookdecade1900, booksubjecturine, bookyear1906
