电刺激猫迷走神经外周端引起的降压和心率变慢，给BD-38后稍有阻断，1/2小时内恢复。
The hypotension and bradycardia caused by electrical stimulation of peripheral end of cat vagus nerve was slightly blocked by BD-38, and restored in 1/2 hour.
刺激迷走神经离中端，对瓣胃体峰电簇的发生有抑制效应，此种抑制可被阻断H1受体所减弱。
There was inhibitory effect on the occurrence of spike group in omasal body when the distal end of the vagus and this inhibition might be reduce by Slockade of H1 receptor.
预先皮下注射阿托品或切断迷走神经肝支，能阻断TRH的利胆效应；
Pretreatment with atropine or vagotomy(hepatic branch)abolished the effect of LHA injection of TRH.
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