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A. Piney, M.D.
Arch Surg. 1926;13(4):615-616. doi:10.1001/archsurg.1926.01130100159012.
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In his article on the subject in the November, 1925, issue of the Archives of Surgery, Kolodny has suggested that the bone marrow is supplied with lymphatic channels, although this has been denied by a large number of writers, of whom I am an unrepentant one. He adduces a certain amount of evidence for his contention, and it seems to be necessary to point out that other interpretations of it are possible, and are, to my mind, more probable.

His evidence is obtained from the results of injection of India ink into the medullary cavity and subsequent recovery of it from "regional" lymphatic glands: this is admittedly a summary review of his admirable experiments, but it does, I think, bring out the essential principle. There is one question that immediately arises: Is there any good evidence that the India ink, which lodges in the local lymphatic glands, reaches them by


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