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

摘 ： 的 介绍一种治疗膀胱逼尿收缩无力的新术式--乙状结瓣包膀胱术。

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，这种异常的裂隙可能发生在、小、横结或乙状结和网膜，造成系膜疝。