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Effects of Acupuncture of Zusanli(ST36)and Stimulation of periaqueductal Gray of Midbrain on Body Serface Electrogastrogram and 17 Peptide Gastrin in Healthy Rabbits

Zhang Lide; Yan Xingyu; Chai Jiyan (Department of Physiology, Liaoning College of Traditional Chinese Medicine,Shenyang 110032)  
In the present paper,it was found that electroacupuncture (EA)of Zusanli (ST36) and stimulation of the periaqueductal gray (PAG)of the midbrain both had a inhibitory effect on electrogastrogram(EGG)and reduced serum 17 peptide gastrin content in healthy rabbits.After lesion of PAG, the effect induced by EA of Zusanli point disappeared. After sympatho-darenergic nerves were blocked by an intravenous injection of regitine,a receptor blocker and propranolol,a B receptor blocker, the effects of EA and electric stimulation of periaqueductal gray were not changed. Also an intravenous injection of atropine could not modify the effects of EA and stimulation of PAG. After the vagus nerve of the cervical part on both sides,the efffects of EA and simulation of PAG were reduced, even disappeared. It is indicated that the inhibitory effect on EGG and reduction of serum 17 peptide gastrin content induced by EA of Zusanli point are performed through activation of PAG and non-cholinergic fibers of the vagus nerve are a main efferent way.
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