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Medical Term:

transverse folds of rectum


Definition: the three or four crescentic folds placed horizontally in the rectal mucous membrane; the superior rectal fold is situated near the beginning of the rectum on the left side; the middle rectal fold (Houston or Kohlrausch fold) is most prominent and consistent and projects from the right side about 8 cm above the anus (approximately the level of the floor of the rectouterine or rectovesical pouch); the inferior rectal fold is on the left side about 5 cm above the anus.

Synonym(s): plicae transversae rectiTA, Houston folds, Kohlrausch folds, plicae recti, rectal folds, rectal valves

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.