Collected Papers Volume 7

Collected Papers Volume 7

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...the possibility of this after or shortly before death as a result of the lowered resistance of the intestinal epithelium. Haughwout (1919) suggests that autodigestion at death may facilitate this invasion. Investigation should be directed towards the detection of these invasions of intestinal flagellates to determine whether or not they occur concurrently with ordinary massive or localized development of these parasites in the intestine, or only in extremis and occasionally, as our present evidence indicates. It will then be possible to discuss the pathogenicity of these parasites and to direct treatment for the infections by them on a sounder basis. It is probable, but as. yet not adequately proven, that these common flagellates of man, such as Giardia, Chilomastix, Trichomonas, and Craigia are represented in the human intestinal fauna by species peculiar to man, in the sense that these species have had their evolution with the human race and are found to-day primarily in the human species. It is also probable that other mammals, especially those associated with man, have their own species of some or all of these genera, as, for example. Trichomonas muris and Giardia muris of the mouse. Experiment seems to indicate that hosts may, to some extent. be interchanged, and that the parasitic species in man may be inoculated successfully, for a time at least, into some of the laboratory animals. In how far rats, mice, and domesticated mammals may become carriers of the flagellates normal to man, and thus sources of reinfection by them, is as yet undetermined. More cultural and morphological investigations are needed to determine the range and limitations of, and the structural modifications consequent upon these interchanges, before conclusions...
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Product details

  • Paperback
  • 189 x 246 x 8mm | 290g
  • United States
  • English
  • black & white illustrations
  • 1236958144
  • 9781236958143