ABSORPTION AND EXCRETION OF ARSENIC, BISMUTH AND MERCURY: EXPERIMENTAL WORK ON THE COLON

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Abstract
The colon was separated from the intestinal tract as an isolated loop of bowel and left in the abdomen, with the lower end closed and the ileac end open for injections. The ileum was anastomosed to the rectum. As, Hg and Bi were then injected intra-ven., fed, and injected into the isolated colon loop successively and the effect on the isolated loop studied from the standpoint of absorption and excretion. The results were clear cut. As is readily absorbed by the colon; it is not excreted by the colon in appreciable quantities. Hg is not absorbed nor excreted by the colon. Bi is absorbed and excreted by the colon.

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