. Pathogenic micro-organisms. A text-book of microbiology for physicians and students of medicine. (Based upon Williams' Bacteriology). Bacteriology; Pathogenic bacteria. 314 SPECIFIC MICRO-ORGANISMS var. humanus and B. tuberculosis var. bovinus. Some, or perhaps all four of these types may be eventually recognized as distinct species. At present the designation as types or varieties seems more appropriate. Bacillus Tuberculosis var. Humanus.^This organism occurs in the infiltrated lung in human phthisis and also in the great. Fig. 128.—Bacillus tuberculosis in the sputum of a consumptive; sta


. Pathogenic micro-organisms. A text-book of microbiology for physicians and students of medicine. (Based upon Williams' Bacteriology). Bacteriology; Pathogenic bacteria. 314 SPECIFIC MICRO-ORGANISMS var. humanus and B. tuberculosis var. bovinus. Some, or perhaps all four of these types may be eventually recognized as distinct species. At present the designation as types or varieties seems more appropriate. Bacillus Tuberculosis var. Humanus.^This organism occurs in the infiltrated lung in human phthisis and also in the great. Fig. 128.—Bacillus tuberculosis in the sputum of a consumptive; stained by Ziehl method. X2100. (After Kossel.) majority of the other tuberculous lesions in man. In the ex- ternal world it does not grow naturally and passes there a more or less temporary existence in discharges from the body, of which the most important is the sputum. The cell is about in width and quite variable in length, to The longer. 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 MacNeal, Ward J. , 1881-1946; Williams, Herbert Upham, 1866-. Philadelphia, P. Blakiston's Son & Co.


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