. Micro-organisms and disease. An introduction to the study of specific micro-organisms. Microorganisms. xiv] BACILLUS TUBERCULOSIS 343 cent, of milch cows are tubercuLir, and though in many cases their milk is not different from the milk of normal cows, and no tubercle bacilli can be detected, the same milk injected into the peritoneal cavity of guinea-pigs never- theless produced miliary tuberculosis in the peritoneum, spleen, and liver. Out of twenty series of experiments only once could the tubercle bacilli be demonstrated in the milk,. Fig. 134.—A single Giant-cell, fIvum a similar Stecii
. Micro-organisms and disease. An introduction to the study of specific micro-organisms. Microorganisms. xiv] BACILLUS TUBERCULOSIS 343 cent, of milch cows are tubercuLir, and though in many cases their milk is not different from the milk of normal cows, and no tubercle bacilli can be detected, the same milk injected into the peritoneal cavity of guinea-pigs never- theless produced miliary tuberculosis in the peritoneum, spleen, and liver. Out of twenty series of experiments only once could the tubercle bacilli be demonstrated in the milk,. Fig. 134.—A single Giant-cell, fIvum a similar Steciivien as in I'Receding I-IGUKE. The ring-like arrangement of the tubercle tjaciUi and tlie nuclei around tlicnr arc well shown. (A. Pringle.) and yet in ten such experiments in which the milk did not show tubercle bacilli, it nevertheless produced tuberculosis on intra-peritoneal injection. Hirschberger explains these results by assuming that though tubercle bacilli were not jjresent in the milk as bacilli, their spores must have been Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Klein, E. (Edward), 1844-1925. London, Macmillan and Co. , Ltd.
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