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A Study of the Relation between the Acupoints and the Internal Organs Using Gastric Electrical Activity as Indicator

Lin Yin-Ii,et al.  
Experiments were performed in 6 conscious dogs,each of which had a pair of bipolarplatinum electrodes implanted in the gastricantrum.The gastric electrical activities weredisplayed on a polygraph(time constant:0.3sec).As a background,pentagastrin(0.5-1μg/kg/h)was infused during the whole experi-mental period.A few min after the beginningof pentagastrin infusion,the rate of the basicelectrical rhythm(BER)was markedly increa-sed,and the rate and amplitude of the actionpotential also increased.An hour later,the dogwas given an electric acupuncture on“Zusanli”of the stomach channel or“Heyang”of theurinary bladder channel.when bilateral“Zusan-li”were stimulated,the rate of BER wasdecreaesd immediately(P0.05).At the endof 25 min of stimulation,the inhibitory effectwas even more significant(P0.01).After theceasation of the stimulation,the rate of BERincreased gradually and no statistical differencewas found between the rate of BER before thestimulation and that an hour after the ceasationof the sttion.While bilateral“Heyang”were stimulated under tne same conditions,theinhibition was less pronounced.Although therate of BER showed a tendency to diminish,there was no significant statistical difference.Neither electric acupuncture of“Zusanli”norof“Heyang”had effect on gastric actionpotential.These results indicate that“Zusanli”exertssome relatively more specific influences ondog's antral muscle which shows hyperactivitythan“Heyang”.Therefore,the theory of channelsand collaterals is worth further investigating.
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