Definition: a triangular peritoneal depression posterior and inferior to the sigmoid colon created by the attachment of the sigmoid mesocolon ascending across the left psoas, then turning sharply to descend into the pelvis; the left ureter descends the posterior wall of this recess.
Synonym(s): recessus intersigmoideusTA
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.