Results: The amounts of microvilli, mitochondria and rough surface endoplasmic reticulum (RSER) were all decreased, infiltration of inflammatory cells were increased under the electromicroscope.

• 结果：术后小肠黏膜上皮细胞微绒毛减少，线粒体和粗面内质网明显减少，炎性细胞浸润增多。