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October 1930


Author Affiliations

From the Surgical Department, Rush Medical College.

Arch Surg. 1930;21(4):679-692. doi:10.1001/archsurg.1930.01150160126005

As a part of a problem in healing of bone under varying conditions of abnormal blood calcium and phosphorus undertaken by the senior author, the definite results of experimental healing of bone in dogs after parathyroidectomy seem worthy of a separate report.

One of the first experiments on the influence of the parathyroids on healing of bone was made by Morel1 in 1910; this covered the influence of the parathyroids on consolidation of fractured bones in cats, and followed his report of the previous year, which dealt with the action of the parathyroids on the growth of healthy bone. His experiments covered, first, ablation of most of the parathyroid tissue in adult cats, which was found not to retard the process of ossification of experimental fractures; second, similar ablation of most of the parathyroid and thyroid tissue in young cats, which resulted in a delay in the healing of

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