Applied of anal canal

The anal canal is located within the anal triangle of the perineum between the right and left ischioanal fossae. It is the final segment of the gastrointestinal tract, around 4cm in length. The canal begins as a continuation of the rectum , and passes inferoposteriorly to terminate at the anus. Except during defecation, the anal canal is collapsed by the internal and external anal sphincters to prevent the passage of faecal material. It is formed by the fusion of the internal anal sphincter, external anal sphincter and puborectalis muscle, and is palpable on digital rectal examination. Above the anal valves are small pouches which are referred to as anal sinuses — these contain glands that secrete mucus.
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The Surgical Anatomy of the Anal Canal and Rectum

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The Anal Canal - Structure - Arterial Supply - TeachMeAnatomy

The anal canal is the terminal part of the large intestine. In humans it is approximately 2. It lies in the anal triangle of perineum in between the right and left ischioanal fossa. The anal canal is the short terminal portion of the rectum through which wastes from the large intestine are excreted from the body. The ring at the terminal portion of the anal canal is called the anus. The anal canal is between 2.
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The Anal Canal

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