During fetal development, abnormal openings may occur in the pericecal, small bowel, transverse colon, or sigmoid mesentery, as well as the omentum, leading to mesenteric hernias.

在胎儿发育阶段，这种异常可能发生在盲旁、小、横或乙状和网，造成疝。

The inferior ileocecal recess is bounded in front by the ileocecal fold, above by the posterior ileal surface and its mesentery, to the right by the cecum, and behind by the upper mesoappendix (22).

回盲下隐窝在回盲襞前方和回后表面及其下方，盲右侧，阑尾上后方。