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Current research on biliary sphincter dyskinesia

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Author:: No author available

Journal Title:: JOURNAL OF THE FOURTH MILITARY MEDICAL UNIVERSITY

Issue:: 22

DOI:: 10.3321/j.issn:1000-2790.2001.22.001

Key Word:: 奥狄氏括约肌/解剖学和组织学;功能紊乱;综述文献

Abstract： @@1 胆管括约肌的解剖与排胆动力源1887年Oddi首先报告了胆管末端在十二指肠的开口处存在有括约肌样结构,认为它具有抗十二指肠液返流的"阀门”作用,包绕胆管末端开口的括约肌即被称之为Oddi括约肌(sphincter of Oddi, SO)或壶腹括约肌. 1936年Boyden证实胆管口括约肌是独立于十二指肠壁平滑肌的环形括约肌结构,从此奠定了胆管口括约肌的解剖学基础. 除此之外,他还发现胆管远端亦存在有括约肌,其组织学特征为胆管括约肌的近端部分成环形排列,远端部分则由斜行平滑肌所包绕,并与胆管末端环形排列的胆管口括约肌相接续,其总的长度为5～15 mm. 显然Boyden对胆管括约肌解剖学的研究结果已经超出了传统意义上胆管口括约肌所涵盖的范围. 胆管造影研究发现,在排胆期胆管远端出现一环形切迹. 经与大体解剖对照研究证实,胆管括约肌的解剖长度与造影所见胆管远端环形切迹至胆管乳头开口之间的长度相等,而胆管远端"切迹”的形成显然与胆管远端括约肌的环形括约肌的收缩有关.

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