Anal Canal
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Introduction[edit | edit source]
The anal canal is an extraperitoneal part, it is the final part of the gastrointestinal, extends posteroinferiorly as a termination of the rectum with 3- 4cm in length. Its main function is to maintain fecal continence and evacuate during defecation. In normal conditions it is always collapsed to prevent leakage and just open during defecation. It is surrounded by internal and external anal sphincter.
Anatomical Parts[edit | edit source]
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