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Updated: May 7, 2025
But this would require that he should bring his mind and will to bear daily on a legislative reform of individual and social life, in the field of economics and morals as well as in that of administration, politics, and intelligence. Instead of that, the legislators permit the microbes of criminality to develop their pathogenic powers in society.
Examples of Pathogenic Bacteria. Diseased hides carry this micro-organism, and thus may occasion disease among those who handle hides and wool. Now, while most species of bacteria are harmless, some are the cause of sickness and death when they gain admittance to the body under certain conditions. The production of certain diseases by the agency of bacteria has now been proved beyond all doubt.
The difficulty of giving such a list is rendered greater from the fact that we have in recent years learned that the same species of pathogenic bacterium may produce different results under different conditions.
These corpuscles are endowed with the faculty of amoeboid movement; that is to say, they may shoot out projections from their substance, and even convert themselves for the time being into traps, seizing upon the pathogenic bacteria, incarcerating them within their own mass, and carrying them away to be thrust out of the system by organs whose function it is to eliminate extraneous matter.
We noticed also that among these biproducts there are some which have a poisonous nature; so poisonous are they that when inoculated into the body of an animal they may produce poisoning and death. We have only to suppose that the pathogenic bacteria, when growing as parasites in man, produce such poisons, and we have at once an explanation of the method by which they give rise to disease.
And both parties assume that what is at issue is the scientific soundness of the prophylaxis. It never occurs to them that the particular pathogenic germ which they intended to introduce into the patient's system may be quite innocent of the catastrophe, and that the casual dirt introduced with it may be at fault.
So long as the tissues are in a healthy condition they are able to withstand the attacks of moderate numbers of pyogenic bacteria of ordinary virulence, but when devitalised by disease, by injury, or by inflammation due to the action of other pathogenic organisms, suppuration ensues.
For purposes of contrast we may indicate the characters of an open sore in which bacterial infection with pathogenic bacteria has taken place.
For the animal, as to its body, is made up of the same constituent elements as man. Since, however, the animal contenteth itself with simple foods and striveth not to indulge its importunate urges to any great degree, and committeth no sins, its ailments relative to man’s are few. We see clearly, therefore, how powerful are sin and contumacy as pathogenic factors.
It is now possible to cultivate certain pathogenic bacteria, and by modifying the conditions under which they are grown, to destroy their violence. In brief, science has taught us, within certain limitations, how to change the virulent germs of a few diseases into harmless microbes. Alcoholic Fermentation and Bacteria.
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