Physiology, Pathology, Bacteriology, Anatomy

Physiology, Pathology, Bacteriology, Anatomy

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 edition. Excerpt: ...cultures without showing a marked loss in weight. "The etiologic bearing of this group of organisms is becoming more apparent, and as they often show pathogenic properties more acutely active than either colon or typhoid bacilli, they must receive just attention as being dangerous parasites. In this case, as in others, the pathogenesis of the cultures for laboratory animals was a marked feature of their activity." Distribution. Observations as to the distribution of pathogenic bacteria are full of interest. Bergey1 has examined a number of cultures obtained from water with the view of determining their relations to dysentery bacilli. The relationship was tested by studying the serum reactions of such cultures with specific immune sera of such cases or experiment animals. The conclusions reached warrant the following: The agglutination reaction with dysentery immune serum cannot be relied upon to differentiate the members of the dysentery group unless the limits of the reaction are known. The normal sera of horses, rabbits and dogs contain agglutinins in small 'amounts for several animals. The immunization of an animal against a particular organism increases the agglutinin for that species, but also for other especially allied species. Absorption experiments show that the agglutinins for the specific organism are not alone absorbed, but also those for other species to some extent. The organisms from water studied in this series are shown not to be true dysentery bacilli, but probably related organisms, pseudodysentery (Lentz, Kruse). As yet no evidence shows that B. dysenteriae is ordinarily present in waters. Additional reports are being presented which add to the evidence of Duval and Bassett relative to specific organisms as a cause...
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Product details

  • Paperback | 74 pages
  • 189 x 246 x 4mm | 150g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 123661805X
  • 9781236618054