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Anatomic and clinical aspects of the junction of the ileum with the large intestine

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Diseases of the Colon & Rectum

Summary

The termination of the ileum at its junction with the large intestine looks like a papilla and, therefore, has been called the ileal papilla. The ileal papilla projects into the large intestine for a distance of 2 to 3 cm and can be misinterpreted as having a valvular configuration when it is distorted after death. An anatomic muscular mechanism, the ileal pylorus, can be demonstrated within the ileal papilla and terminal ileum. It consists of longitudinal and circular muscle fibers which open and close the starshaped ileal orifice, respectively. Although the clinical significance of the ileal pylorus remains to be fully elucidated, it appears advisable to preserve this muscular mechanism whenever possible.

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Read at the meeting of the American Proctologic Society, Boston, Massachusetts, June 16 to 18, 1969. Supported in part by the Detroit General Hospital Research Corporation.

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Rosenberg, J.C., Didio, L.J.A. Anatomic and clinical aspects of the junction of the ileum with the large intestine. Dis Colon Rectum 13, 220–224 (1970). https://doi.org/10.1007/BF02617212

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  • DOI: https://doi.org/10.1007/BF02617212

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