A concept of the anatomy of the anal sphincter mechanism and the physiology of defecation.

@article{Shafik1987ACO,
  title={A concept of the anatomy of the anal sphincter mechanism and the physiology of defecation.},
  author={Asmail I Shafik},
  journal={Diseases of the colon and rectum},
  year={1987},
  volume={30 12},
  pages={970-82}
}
A review of the new concepts of the anatomy of the anal sphincter mechanism and the physiology of defecation is presented. The external sphincter is a triple-loop system; each loop can function as a separate sphincter through voluntary inhibition action and mechanical compression. Stress defecation resulting from internal sphincter damage is described. A new technique for repair of rectal incontinence is presented, which depends on inducing continence not only by mechanical compression, but… CONTINUE READING

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