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《Acta Academiae Medicinae Jiangxi》 2001-01
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Manometry of Smooth Muscle Isolated from Trachea of Guinea Pig

YU Xiao-chun,LI Yue-zhen,DING Nan-hua,HUANG Xue-shun,WANG Li-wei (Central Lab.of the Functions,Jiangxi Medical College,Nanchang 330006,China)  
Objective:To study and introduce a new manometric method to determine the pressure during contraction and relaxation of isolated smooth muscle from trachea of guinea pig.Material and methods:Isolated specimens of trachea were taken from six guinea pigs and subjected to the physiological recording system (designed by this central laboratory) to be tested respectively.Results:When isoprenaline was injected a relaxation curve could be recorded; while acetylcholine was injected,a contraction curve could be recorded.Conclusion:The results indicate that this method has many advantages,such as easy operation,high sensitivity,exact data,clear curves and withont distruction of tracheal structure and that it is a favorable method for functional determination of isolated tracheal smooth musles of guinea pigs.
【CateGory Index】: R560.4
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