Studies from the Rockefeller Institute for Medical Research Volume 7

Studies from the Rockefeller Institute for Medical Research 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. 1907 edition. Excerpt: ...experiments were performed. Experiment I. Female Cat.--A segment of the abdominal aorta located between the mouths of the renal and ovarian arteries was resected. The circulation in the lower part of the aorta was re-established by interposing a segment of the external jugular vein between, and suturing it to the cut ends of the aorta. This segment of the jugular vein had been extirpated from a dog seven days before and kept in an isotonic solution of sodium chloride at or about the freezing point. But the temperature of the refrigerator was not constant, and sometimes varied from 320 F. to 400 F. After the operation was completed, the pulsations of the femoral arteries and of the arteries of the hind limbs were normal. On the second day, the hind limbs became hyperaesthetic. On the third day, paralysis of the hind feet appeared, and a few hours later paralysis of the hind limbs was noted. At the same time, the pulsations of the femoral arteries completely disappeared. On the following days, the paralysis diminished progressively. Twenty-two days after the operation, the animal could walk almost normally. But the pulsations of the femoral arteries did not reappear. By direct examination it was found that the transplanted venous segment was surrounded by a thick layer of vascular connective tissue and its lumen was completely obliterated. Experiment II. Female Cat.--A segment of the abdominal aorta of a large cat was resected and replaced by a segment of carotid artery which had been extirpated from a young dog twenty days before, and kept in an isotonic sodium chloride solution at about 32 F. Sometimes the temperature of the refrigerator rose for a few hours to 40 F., or even 44 F. After the operation, the pulsations of the femoral...show more

Product details

  • Paperback
  • 189 x 246 x 10mm | 345g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236973526
  • 9781236973528