实验表明：刺激中缝大核可增加胃酸排出量和血清胃泌素水平．切断双侧膈下迷走神经干可以消除这种作用。
The main results were as follow:(1)Thestimulation of NRM in the intact nerve rats showed three effects:increase, decrease or no effects on gastric acid output and serum gastrin level.
用数字体温检测仪测定大鼠体温。用玻璃微电极记录正常大鼠和膈下迷走神经切断大鼠给予LPS前后下丘脑室旁核的单位放电。
Glass micropipette placed in PVN was used to record unit discharges of neurons in it, before and after LPS was injected into PVN in normal rats and vagotomy rats.
结果，切断膈肌下双侧迷走神经后，再以同样的电刺激参数刺激最后区，消除了抑制胃运动的效应。
The results showed that the inhibitory effects of ap on gastric motility were withdrawn by the vagus nerves vagotomy beneath diaphragma.
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