International Record of Medicine and General Practice Clinics Volume 72

International Record of Medicine and General Practice Clinics Volume 72

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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. 1900 edition. Excerpt: ...extracts of epididy ' mites of animals always give the reaction, even in azoo spermia. 4. The presence of pus germs in the aqueous extract, or in the solution obtained after soaking seminal stains in water, inhibits the reaction. 5. Freshly ejaculated human semen gives the same reaction as dried semen in stains. 6. Stains with semen of man and of oxen give a positive reaction even if kept indefinitely, provided the fa ric is kept in a dry place. 7. Florence's crystals are formed more distinctly if the drop to be examined is not mixed with the drop of reagent, but only brought into contact with the latter. 8. Florence's reagent must contain not less than 1.27 grammes of iodine, 1._65 of potassium iodide, and 30.00 of water. It is better to use more concentrated solutions because the iodine evaporates in the course of time. 9. Aqueous extracts made from the semen which is pressed out of the epididymis of an animal does not give Florence's reaction. 10. Care must be taken not to mix any of the crystals obtained in previous experiments with the fluids to be tested. 11. The human semen resembles that of the ox more than that of any other animal. Yet the latter is distinguished from the former in that it does not give the reaction in the fresh state. 12. The view of Wyatt Johnston, that the semen of animals give a "pseudoreaction," is erroneous. (Florence's test consists in adding a drop of iodine-potassium iodide solution to the fluid obtained by soaking a seminal stain in water. At the point of contact of the two drops, some dark brown needle-shaped, or rhomboidal crystals will form, which resemble the crystals of haemin.) Miscellaneous. The Normal Bacteriology of the Nose.--Dr. St. Clair Thomson (Journal...
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Product details

  • Paperback | 1068 pages
  • 189 x 246 x 53mm | 1,864g
  • United States
  • English
  • black & white illustrations
  • 123686882X
  • 9781236868824