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DESENSITIZATION OF ACETYLCHOLINE ON THE INHIBITION EFFECTS OF BLOOD PRESSURE IN ANESTHETIZED CANINE 总被引:1,自引:0,他引:1
Desensitizationisaphenomenonthatthefirstreactiontowardsadrugdecreasedduringoraftercontinuouslyexposure[1] .Now ,theconceptioniswidelyusedtorepresentthephenomenonthatthereactionoftargettissuesorcellstowardshormone ,drugorneurotransmitterisreduced gradually[2 ] .Themechanismofdesensitizationisstillunclear .Itiswellknownthattheeffectsofheart,autonomicneuralsystem ,muscles ,arefadewhenexposuretoacetylcholine (ACh)foraperiodoftime[3] .Atpre sent,manystudiesfocusonisolatedtissuesorcells[1,5,6 ,7,8]… 相似文献
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