直肠壁环行肌发达。
方法：用四道记录仪记录胃窦环行肌条的自发性收缩活动；
METHODS: Spontaneous contraction of gastric antral circular muscle of rats was recorded by four channel physiograph.
阿托品、维拉·帕米和六烃季胺部分阻断大黄对豚鼠胃窦环行肌条的兴奋作用。
Atropine, verapamil and hexamethonium partly blocked the increased action of rhubarb on the isolated strips of gastric antrum in guinea pigs.
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