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The human rectum is a part of the lower gastrointestinal tract. The rectum is a continuation of the sigmoid colon, and connects to the anus. The rectum follows the shape of the sacrum and ends in an expanded section called an ampulla where feces is stored before its release via the anal canal.
Diagram showing the position of the prostate and rectum. Date: 30 July 2014 (released by CRUK) Source: Original email from CRUK: Author: Cancer Research UK: Permission (Reusing this file) This image has been released as part of an open knowledge project by Cancer Research UK. If re-used, attribute to Cancer Research UK / Wikimedia Commons
In humans, the anal canal is approximately 2.5 to 4 cm (0.98 to 1.57 in) long, from the anorectal junction to the anus. [2] [3] [4] It is directed downwards and backwards.. It is surrounded by inner involuntary and outer voluntary sphincters which keep the lumen closed in the form of an anteroposterior sl
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The following 28 pages use this file: Appendicitis; Appendix (anatomy) Axial twist theory; Diarrhea; Distal intestinal obstruction syndrome; Duodenum; Esophagus
It is an important anatomical landmark in humans, and forms the boundary between the anal canal and the rectum according to the anatomic definition. [1] Colorectal surgeons instead define the anal canal as the zone from the anal verge to the anorectal ring (palpable structure formed by the external anal sphincter and the puborectalis muscle ...
Download as PDF; Printable version ... The posterior aspect of the rectum exposed by removing the lower part of the sacrum and the coccyx. ... perineum at The Anatomy ...
The anus is the site of potential infections and other conditions, including cancer (see anal cancer). [4] With anal sex, the anus can play a role in sexuality. Attitudes toward anal sex vary, and it is illegal in some countries. [5] The anus is often considered a taboo part of the body, [5] and is known by many, usually vulgar, slang terms.