. Micro-organisms and disease. An introduction to the study of specific micro-organisms. Microorganisms. 274 MICRO-ORGANISMS AND DISEASE [chap. adult rats arc, however, infected «uh difficulty, pigs are not^ very susceptible, and dogs and cats are very insusceptible. Infection of animals can be produced by inoculation into the skin and subcutaneous tissue, intraperitoneal or intravascular injections, and by inhalation and ingestion of spores. In woolsorter's disease the usual mode of infection is by inhalation of spores adhering to the wool of the fleeces of animals (sheep, goats) dead of anth
. Micro-organisms and disease. An introduction to the study of specific micro-organisms. Microorganisms. 274 MICRO-ORGANISMS AND DISEASE [chap. adult rats arc, however, infected «uh difficulty, pigs are not^ very susceptible, and dogs and cats are very insusceptible. Infection of animals can be produced by inoculation into the skin and subcutaneous tissue, intraperitoneal or intravascular injections, and by inhalation and ingestion of spores. In woolsorter's disease the usual mode of infection is by inhalation of spores adhering to the wool of the fleeces of animals (sheep, goats) dead of anthrax. As in rodents infected with anthrax,. Fig. 103.— From a Section throcgh the Liver or A Guinea-pig dead op- Malignant Anthrax-. The Capillarv Blood-vessels contain Chains (ir Bacilli Anthracis. X about 700. so also in man, the blood-vessels of all organs contain the Vacilli, and extravasations of the infected blood are frequent in many parts of the body. The presence of bacilli in the extravasations into the mucous membrane of the trachea and bronchi does not necessarily mean that these parts represent the points of entrance of the bacilli into the system, as Greenfield seems to regard as self-evident {Reports of the Medical Officer of the Local Government Board, 18S1). As a matter of fact 1 find in e^ery lung of mouse, rabbit, and guinea-pig, dead after. 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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