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THE 1∶1 TEMPORAL RELATION BETWEEN GALLBLADDER PHASIC CONTRACTION AND CLUSTER OF SPIKE POTENTIALS OF SPHINCTER OF ODDI IN THE INTERDIGESTIVE PERIOD IN RABBITS
Author(s): 
Pages: 184-186
Year: Issue:  3
Journal: Acta Academiae Medicinae Shandong

Keyword:  胆囊 奥狄氏括约肌 消化间期;
Abstract: 为探讨兔消化间期胆囊位相性收缩(PCGB)与奥狄氏括约肌(SO)锋电位簇(CSPSO)之间的关系,将动物禁食但自由饮水15~18h 后,乌拉坦静脉麻醉。胆囊内置入装满生理盐水的蛙膀胱并与压力换能器(TP-200T)相连以测胆囊内压,双极康铜丝电极引导SO肌电。结果:兔消化间期胆囊(GB)间断地位相性收缩,SO 锋电位簇集发放。每次PCGB总伴随1 次CSPSO,PCGB与CSPSO存在1∶1 对应关系(Y=0.962X+ 0.587, r= 0.982, P< 0.01)。PCGB幅度与对应CSPSO积分之间呈正相关(Y= 0.025X+ 1.130,r= 0.968, P< 0.01)。提示兔消化间期GB及SO同步节律性地收缩与舒张,可能与GB更好地储存浓缩胆汁及胆总管的自净作用有关。
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