. Essentials of laboratory diagnosis; designed for students and practitioners. Elastic fibers will have their characteristic fibrillated, wavyappearance. Vegetable and fruit cells have their own peculiar appear-ance, which will be easily recognized. Occasional epithelialcells are encountered, and granular indeterminate debris goesto make up the bulk of the solid material present. This contains 186 DETERMINATION OF FUNCTIONS OF STOAIACH. a Tarring amount of non-pathologic bacteria. Stagnant or de-composed specimens will show a larger number of yeast cells andcrystals of calcium oxalate, tyrosin
. Essentials of laboratory diagnosis; designed for students and practitioners. Elastic fibers will have their characteristic fibrillated, wavyappearance. Vegetable and fruit cells have their own peculiar appear-ance, which will be easily recognized. Occasional epithelialcells are encountered, and granular indeterminate debris goesto make up the bulk of the solid material present. This contains 186 DETERMINATION OF FUNCTIONS OF STOAIACH. a Tarring amount of non-pathologic bacteria. Stagnant or de-composed specimens will show a larger number of yeast cells andcrystals of calcium oxalate, tyrosin, cholesteriu, etc. In pathologic conditions red blood-cells and pus-cells maybe recognized, and more rarely tissue fragments, which by ap-propriate methods of staining may be identified as portions ofcarcinoma or other tumor. Occasionally flagellates, amebas, andother monads may be seen. The specimen employed above may be used for staining. Bysliding the cover-glass off., a very fair smear will be made, whichafter drying and fixing may be stained by any of the simple Fig. 37.—Boas-Opplee Bacillus in Gastric Contents. Examination of the stained specimen with the %2 objectivewill show innumerable micro-organisms, among which may bementioned sarcince ventricuJi. which are usually considered evi-dence of dilatation, and fermentation, but which are not them-selves pathogenic. The Boas-Oppler Bacillus.—This organism is found quitecommonly in patients suffering with carcinoma of the stomach,and rarely in non-malignant disease. It is found more fre-quently in the gastric contents at a time when lactic acid ispresent in large amounts, so that in the incipient stages of car-cinoma these organisms may be absent. These bacilli are verylarge (3 to 10 microns by 1 micron) and are frequently joinedend to end, forming very long chains (see Fig. 37). They arereadily stained with the usual aniline dyes and by Gramsmethod. On being treated with the dilute iodin, they take on a STOMACH
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