a peritoneal fossa that has been seen in a few cases in which the jejunum has no mesentery but is attached to the posterior parietal peritoneum; the fossa begins at the point where the mesentery ends, and is seen on raising up the knuckle of free intestine. SYN: Broesike fossa, fossa parajejunalis, mesentericoparietal fossa, mesentericoparietal recess.
