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The author of this work was dominated by a central idea. This idea is that movable kidney is produced by the sagging of the colon drawing on and pulling out of place the kidney, the weight of the colon being transmitted to the kidney through bands of connective tissue which the author calls the nephrocolic ligament. In order to explain the fact that the right kidney alone is affected in the large majority of the cases, the author assumes that the colon, in attempting to move its contents up the ascending colon, pulls down on the right kidney and that no such downward pull on the left kidney is present while the contents are moving down the descending colon. A glance at Figures 4 and 6, showing a long ascending limb of the transverse colon passing up to the splenic flexure, would be sufficient to shake one's belief in the
Nephrocoloptosis. A Description of the Nephrocolic Ligament and Its Action in the Causation of Nephroptosis, with the Technic of the Operation of Nephrocolopexy, in Which the Nephrocolic Ligament is Utilized to Immobilize Both Kidney and Bowel.. JAMA. 1911;LVI(3):214-215. doi:10.1001/jama.1911.02560030050031