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，这种裂隙可能发生在盲肠旁、小肠、横结肠乙状结肠和网膜，造成肠系膜疝。

Abstract： Objective To evaluate bladder encapsulation with sigmoid muscular flap for the treatment of detrusor underactivity.

摘 要： 绍一种治疗膀胱逼尿肌收缩无力新术式--乙状结肠肌瓣包膀胱术。