Rectum
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The rectum is part of the distal part of the gastrointestinal tract; it is between the sigmoid colon and anus.
Definition
Abdominoperineal resection specimen showing the rectum.
Pathologist generally agree that: the rectum starts/sigmoid ends @ place where serosa ends on the posterior aspect of the bowel.
Note:
- There are several definitions for the rectum.[1]
- In a survey of surgeons:
- 67% defined it by an anatomical landmark
- 35% of all respondants considered the peritoneal reflection the proximal boundary of the rectum.
- 30% defined the proximal boundary as a distance from the anal verge.
See also
References
- ↑ Kenig, J.; Richter, P. (Sep 2013). "Definition of the rectum and level of the peritoneal reflection - still a matter of debate?". Wideochir Inne Tech Maloinwazyjne 8 (3): 183-6. doi:10.5114/wiitm.2011.34205. PMID 24130630.