A Textbook of Bacteriology: A Treatise on the Application of Bacteriology and Immunology to the Etiology, Diagnosis, Specific Therapy and Prevention of Infectious Diseases, for Students and Practitioners of Medicine and Public Health |
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Common terms and phrases
acid agar agglutination agglutinins alcohol alkaline anaerobic anaphylaxis animals anthrax antibodies antigen antitoxin appear bacilli bacteria Bakteriol blood body broth carbon carriers cells cent Centralbl cholera colonies containing cultivation cultures described dilutions diphtheria disease doses dysentery epidemic etiological experiments fermentation filtered filtration flagella fluid gelatin gonococcus Gram-negative grams growth guinea-pigs heat hemolysis hemolytic human immune important incubation infection influenza inoculation intestinal isolated klin l'Inst laboratory large number lesions leukocytes medium meningococcus method microorganisms milk minutes mixture normal observed obtained occur organisms Pasteur pathogenic patients peptone plates pneumococcus poisons present produced protein quantities rabbits reaction rickettsia salt solution sera serum similar smears sodium species spirochetes spores sputum staining staphylococcus sterile streptococci substances symptoms temperature tetanus tion tissue toxin tubercle bacilli tuberculosis tubes typhoid bacilli typhoid fever usually vaccination virulence virus Wash Wassermann Wchnschr Ztschr
Popular passages
Page 76 - The mixture is very thoroughly shaken, both to make good contact and to render the precipitated calcium carbonate granular and promote its settling. It is then allowed to stand quietly and after half an hour the clear liquid is siphoned off from the precipitate and filtered through paper or a cotton plug.
Page 228 - The test dose consists of 100 minimal lethal doses of a precipitated toxin preserved under special conditions at the hygienic laboratory of the National Institute of Health.
Page 322 - ... covering the surface of the slant as a glistening, golden-brown layer. In broth, growth is rapid, leading to a general, even clouding of the medium, and giving rise, after forty-eight or more hours, to the formation of a thin surface pellicle. As growth increases, the bacteria sink to the bottom, forming a heavy, mucoid sediment. The odor of old cultures is often peculiarly acrid, not unlike weak butyric acid. In milk, staphylococcus causes coagulation usually within three or four days, with...
Page 886 - Grade A milk or cream (pasteurized) Is milk or cream handled and sold by dealers holding permits therefor from the Board of Health, and produced and handled In accordance with the requirements, rules and regulations as herein set forth. No tuberculin test required but cows must be healthy as disclosed by physical examination made annually. 000 bacteria per cc and cream (pasteurized) more than 150.00" bacteria per cc when delivered to the consumer or at any ttn;c after pasteurization and prior tc...
Page 474 - Ix1effler 2 isolated and cultivated an organism which corresponded in its morphological characters to the one described by Klebs. He obtained it from thirteen clinically unquestioned cases of diphtheria, and, by inoculating it upon the injured mucous surfaces of animals, succeeded in producing lesions which resembled closely the false membranes of the human disease. His failure to find the bacillus in all the cases he examined, his finding it, in one instance, in a normal throat, and his inability...
Page 496 - B. diphtheriae, but more delicate throughout. It cannot easily be cultivated upon the simple meat-extract media, nor will it grow on gelatin at room temperature. Its colonies on glycerin or glucose agar are microscopically identical with those of B.
Page 613 - Friedlander l announced the discovery of a microorganism which he believed to be the incitant of lobar pneumonia and which, in his original communications, he described as a "micr'ococcus." A superficial morphological resemblance between Friedlander's microorganism and Diplococcus lanceolatus, now recognized as the most frequent cause of lobar pneumonia, led, at first, to much confusion, and it was not until several years later, owing to the careful researches of Friinkel 2 and of Weichselbaum,3...
Page 518 - Begin to take the rectal temperature at 6 am, and take it every hour thereafter until midnight. (2) Make the injection at midnight. (3) Begin to take the temperature next morning at 6 o'clock, and continue as on preceding day. To those who have large herds to examine or who are unable to give the time required by the above directions, the following shortened course is recommended: (1) Begin to take the temperature at 8 am, and continue every two hours until 10 pm (omitting at 8...
Page 225 - Since 1902, the production and sale of diphtheria antitoxin has been regulated by law in the United States. From time to time, antitoxin is bought in the open market and examined at the hygienic laboratories of the United States Public Health and Marine Hospital Service. Antitoxic serum which contains less than two hundred units to each cubic centimeter is not permitted upon the market.
Page 77 - ... filtrate. An excess of boric acid should be avoided, as it favors the liberation of hypochlorous acid and renders the solution less stable. It is best to add slightly less than the calculated amount. The concentrated solution thus prepared contains about 4 per cent of sodium hypochlorite, and before use should be diluted with about seven parts of water and titrated with N/10 thiosulphate to determine its precise hypochlorite concentration.