目的研究蒙古绵羊胚胎大肠黏膜上皮的组织发生。
Objective to study the histogenesis of large intestine epithelial lining of Mongolian sheep embryo.
研究人员说，钙可以减少胃肠道细胞异常生长，可能有助于减少其对大肠黏膜破坏。
The researchers said calcium may reduce abnormal growth in cells in the gastrointestinal tract and may help reduce damage to the mucous membrane in the large intestine.
方法：采用S-P免疫组织化学法对20例正常大肠黏膜和64例大肠腺癌组织中MUC2、MUC5AC蛋白的表达情况进行检测。
Methods Immunohistochemical technique(S-Pmethod)was used to detect the expression of MUC2 and MUC5AC protein in 20 cases of normal colorectal mucosa and 64 cases of colorectal carcinoma.
这些致病因子使大肠杆菌可以定居于呼吸道或消化道黏膜，大量繁殖并侵入血液循环系统，引起各种疾病的发生。
These virulence factors enable E. coli can be settled in the respiratory or gastrointestinal mucosa, multiply and invade the blood circulatory system, causing various diseases.
发炎；如有黏膜穿破、脓疮或腹膜炎，可能需要手术切除患病的大肠段。
If there is abscess, perforation or peritonitis, surgical removal of the diseased colon segment may be needed.
尽管大肠病变的内镜黏膜下剥离术(esd)有高的整块切除率，但其技术难度和并发症的风险限制了它的广泛使用。
Despite a high en bloc resection rate, its technical difficulty and risk of complications limit the widespread use of colorectal endoscopic submucosal dissection (ESD).
目的探讨内镜下黏膜切除术（EMR）对老年大肠扁平及广基肿瘤治疗的有效性及安全性。
To discuss endoscopic mucosal resection( EMR) to the usefulness and the safety of the elderly colonic applanation and extensive tumor treatment.
多脏器荧光标记检出大肠杆菌的大鼠数均比对照组明显升高（P<0．05）； 光学显微镜下脑损伤组大鼠肠黏膜上皮细胞受损；
The number of positive translocated bacteria was also significantly higher in multiple organs of the brain injury group than that in control group (P < 0. 05).
结论普通电子肠镜结合黏膜染色能够有效的发现大肠LST病灶，联合镜下黏膜切除根除LST病灶对早期大肠癌防治具有积极临床意义。
Conclusion Endoscopic mucosa chromoscopy is effective in detecting LST. EMR or EPMR may be considered as a good treatment method for early colorectal cancer.
结论普通电子肠镜结合黏膜染色能够有效的发现大肠LST病灶，联合镜下黏膜切除根除LST病灶对早期大肠癌防治具有积极临床意义。
Conclusion Endoscopic mucosa chromoscopy is effective in detecting LST. EMR or EPMR may be considered as a good treatment method for early colorectal cancer.
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