Which of the following is false about the Valves of Houston
Correct Answer: Anteriorly correlate with peritoneal reflection
Description: A i.e. Disappear on distensionGastric rugae of stomach, and longitudinal folds in mucosa of upper rectum and colon are temporary mucosal folds and are obliterated by distension. Whereas , plica circularis (valves of kerkring) of small intestine, crescentic mucosal folds of cystic duct ( spiral valve of Heister), transverse (horizontal) rectal folds (Houston's valves or plica transversalis) and permanent longitudinal rectal columns or folds (found in lower rectum & anal canal) are permanent mucosal folds. Mn- "Temporary Ringer Lactate = Temporary Rugae & Longitudinal rectal folds"- Transverse rectal folds (rectal valves of Houston) are most prominent when viscus is distended but are lost after full surgical mobilization of rectum. It consists of mucosa, circular muscle layer with or without longitudinal muscle layer. Longitudinal muscle involvement is marked externally by indentation.
Category:
Anatomy
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