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Hygienic Institutes: The Utility of Their Work of Investigation, and the Need of It in This Country (Classic Reprint) - Softcover
Excerpt from Hygienic Institutes: The Utility of Their Work of Investigation, and the Need of It in This Country
Though the germ theory of disease in its general form is well nigh universally accepted, this view that there is a specific organ ism foreach and every form of infectious disease is by no means shared by all. 'as N aegeli has shown, there are many reasons for supposing that the innumerable varieties of micro-organisms 'do not form natural-history species, which reproduce themselves with unfailing regularity, cause the same decompositions, and, in case of pathogenic actioh, give rise invariably to the same symptoms. These organisms seem to possess to a remarkable degree the power of adaptation, the capability of changing by regular grada tions not only their morphological but more especially their physi ological character, according to the nature of the nutritive materials which are afforded them and the physical conditions with which they are surrounded. By repeated cultivations in appropriate media innoxious varieties of organisms may in time become indued with the most virulent properties, while conversely organisms exercising distinctive and intense pathogenic powers may ultimately be brought to reproduce harmless forms. The possi. Bility of this, at least, has been amply demonstrated by Buchner's experiments. The pathogenic organisms may, in accordance with this, be modified forms of other more common varieties and not distinct species. It remains, therefore, for future investigation to determine whether each germ disease is caused by a distinct, un varying species of organism or.by some common variety which is, in a particular stage of development and indued with unusually active, peculiar powers.
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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Though the germ theory of disease in its general form is well nigh universally accepted, this view that there is a specific organ ism foreach and every form of infectious disease is by no means shared by all. 'as N aegeli has shown, there are many reasons for supposing that the innumerable varieties of micro-organisms 'do not form natural-history species, which reproduce themselves with unfailing regularity, cause the same decompositions, and, in case of pathogenic actioh, give rise invariably to the same symptoms. These organisms seem to possess to a remarkable degree the power of adaptation, the capability of changing by regular grada tions not only their morphological but more especially their physi ological character, according to the nature of the nutritive materials which are afforded them and the physical conditions with which they are surrounded. By repeated cultivations in appropriate media innoxious varieties of organisms may in time become indued with the most virulent properties, while conversely organisms exercising distinctive and intense pathogenic powers may ultimately be brought to reproduce harmless forms. The possi. Bility of this, at least, has been amply demonstrated by Buchner's experiments. The pathogenic organisms may, in accordance with this, be modified forms of other more common varieties and not distinct species. It remains, therefore, for future investigation to determine whether each germ disease is caused by a distinct, un varying species of organism or.by some common variety which is, in a particular stage of development and indued with unusually active, peculiar powers.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
"synopsis" may belong to another edition of this title.
- PublisherForgotten Books
- Publication date2019
- ISBN 10 1332979459
- ISBN 13 9781332979455
- BindingPaperback
- Number of pages36
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Book Description Paperback. Condition: New. Print on Demand. Excerpt from Hygienic Institutes. About the Publisher, Forgotten Books publishes hundreds of thousands of rare and classic books. This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. This text has been digitally restored from a historical edition. Some errors may persist, however we consider it worth publishing due to the work's historical value. The digital edition of all books may be viewed on our website before purchase. print-on-demand item. Seller Inventory # 9781332979455_0
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