Abstract
The rectum, the terminal part of the intestinal tube, is not — as its name suggests — straight, but curved. This misleading designation arose from descriptions of anatomy in animals. The boundary between the sigmoid colon and the rectum is not clear cut, but it is marked by the following features:
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The confluence of the teniae of the colon to form the continuous external longitudinal muscle of the rectum.
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The absence of appendices epiploicae on the rectum.
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The absence of haustrations in the rectum.
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The appearance of anatomically constant folds in the interior.
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Reflexion of the visceral peritoneum on to the parietal peritoneum without any mesentery.
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© 1987 Springer-Verlag Berlin Heidelberg
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Lierse, W. (1987). The Rectum. In: Applied Anatomy of the Pelvis. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-71368-2_15
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DOI: https://doi.org/10.1007/978-3-642-71368-2_15
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-71370-5
Online ISBN: 978-3-642-71368-2
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