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Rectum function

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Rectum function
  • 1 answers

Meghna Thapar 5 years, 5 months ago

The rectum acts as a temporary storage site for feces. The rectum receives faecal material from the descending colon, transmitted through regular muscle contractions called peristalsis. It is a part of large intestine. It stores the feces prior to defecation. It connects the sigmoid colon to the **** canal. The rectum begins at the height of S2-S3 and ends at the perineum. It is about 12 to 16 cm long und may be subdivided into three parts:

  • The upper third lies intraperitoneally
  • The middle third retroperitoneally
  • The lower third under the pelvic diaphragm and therefore extraperitoneally.

It is important for the water resorption as well as for the resorption of electrolyte from the stool and plays an important role in the defecation process.

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