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峰电活动
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  spike activity
     In the distal colon, rh-NT-3 could evoke phase Ⅲ-like activity and disrupt the MMC pattern, which was replaced by a continuous long spike bursts (LSB) and irregular spike activity (ISA) for (48±6)? min.
     在远端结肠处 ,rh NT 3打断MMC模式 ,引起类似MMCⅢ相的连续的峰电活动 ,持续约 (48± 6 )min。
短句来源
     Study on Regulation of the Vagus on the Spike Activity of Omasum in Sheep
     迷走神经对绵羊瓣胃峰电活动调节的研究
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     Study of exciting mechanism about achyranthes bidentata blume on the spike activity of the uterine smooth muscle in virgin rats Ⅰ
     怀牛膝对未孕大鼠子宫平滑肌峰电活动兴奋机制的研究Ⅰ
短句来源
     Different mechanisms mediate the exciting effect about Achyranthes bidentata on the spike activity of the uterine smooth muscle in virgin rats
     不同机制介导怀牛膝兴奋未孕大鼠子宫平滑肌的峰电活动
短句来源
     The exciting action of Achyranthes bidentata on the spike activity of the uterine smooth muscle in virgin rats mediates by other mechanism except cholinergic M receptor, and its effects may partly contribute to verpamil sensitive Ca 2+ channels and are related to synthesis and release of prostaglandin.
     结果提示 ,怀牛膝对未孕大鼠子宫平滑肌峰电活动的兴奋作用是通过胆碱能M受体以外的其他途径实现的 ,部分可能与子宫平滑肌细胞膜上的异搏定敏感的L型Ca2 + 通道有关 ,部分可能与刺激前列腺素合成与释放有关
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  “峰电活动”译为未确定词的双语例句
     Besides the great amplicude (170.54 μV) longer intermission (30.55 min) conyinous state (5.39 min) of spikes happened independently in the distal loop of colon
     此外结肠终袢还产生大振幅(170.54μV)、长间歇(35.94min)、持续性(5.39min)峰电活动
短句来源
     The results showed that these herbs in 20% concentration had no effect on the slow wave,but increased the spike activities of the stomach and the duodenum significantly( P< 0.05 or P< 0.01).
     实验结果显示:经胃管灌药液(20%)后30分钟内,胃肠平滑肌基本节律无变化,而峰电活动则明显增强(P<0.05或P<0.01);
短句来源
     Conclusion It is indicated that the gastrointestinal motility was disturbed in the early AP.
     结论AP时大鼠胃肠平滑肌峰电活动明显减弱,表明其胃肠运动功能受到抑制;
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     The arterial blood pressure was significantly decreased after AP induction(P<0.01),but no change in the blood flow of gastric antrum.
     两种清胰汤制剂对其基本电节律无影响(P>0.05),但可明显改善小肠平滑肌的峰电活动(P<0.05),这种促动作用在用药后10 min左右出现,并持续达1 h以上;
短句来源
     Female Wistar virgin rats were implanted with bipolar Ag-AgCl electrodes on the serosa of uterine smooth muscle along longitudinal axis of uterus horn. After intraperitoneally injected atropine and verapamil and indomethacin, water extracts of Achyranthes bidentata was injected in the dose of 0.6 mL, and the changes of the myoelectric activity of uterus in rats were observed for discussing its mechanism.
     在 5 0只Wistar雌性未孕大鼠子宫角浆膜面上沿子宫纵轴埋植 1对Ag -AgCl双极电极 ,腹腔注射阿托品或异搏定或消炎痛后 ,观察注射怀牛膝 0 .6mL对未孕大鼠子宫平滑肌峰电活动的影响 ,探讨其兴奋的途径。
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     Electrochemical Analysis
     化学分析
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  spike activity
There was a significant increase in spike activity when J2 were exposed to D-tryptophan but glycine and citric acid elicited no responses.
      
Exposure to D-glutamic acid resulted in a significant increase in spike activity but exposure to the L-isomer gave no response.
      
After NR1 knockdown, low- and high-doses produced little or no spike activity in the hippocampus and overlying sensorimotor cortex as predicted.
      
Hypotonicity also caused a rapid increase in cell volume followed by a regulatory volume decrease (RVD), cell membrane depolarization with induction of spike activity, and a rise in cytosolic Ca2+ concentration.
      
The resulting temporal patterns of spike activity could function as a code to allow for discrimination among various plant odors.
      
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The unanesthetized trained dogs with implanted electrode in the stomach wall were prepared for the study of rhythmic pattern of the slow wave of the gastroelectro-activity.The results were as follows: In the fasting condition,the frequency of the slow wave of the gactroelectro-activity may divided into three rhythmic patterns:(1) Slow wave or primary wave.The frequency of this pattern was 5.4 ±0.3 cycles/min.It occurred about 92% of the whole experiment. (2)Fast slow-wave.The frequency of this pattern was 13.4±1.7...

The unanesthetized trained dogs with implanted electrode in the stomach wall were prepared for the study of rhythmic pattern of the slow wave of the gastroelectro-activity.The results were as follows: In the fasting condition,the frequency of the slow wave of the gactroelectro-activity may divided into three rhythmic patterns:(1) Slow wave or primary wave.The frequency of this pattern was 5.4 ±0.3 cycles/min.It occurred about 92% of the whole experiment. (2)Fast slow-wave.The frequency of this pattern was 13.4±1.7 cycles/min and it was about 7.4% of the whole experiment.(3) Premature slow-wave.This happened just like an extra-systoles of the heart.The premature slow-wave was always followed by a com- pensatory pause.This pattern occurred in the experiment very often.

在17只狗的胃窦部埋植电极,进行慢性实验,每次连续记录胃电活动4~8小时,共实验189次,总记录时间992小时以上。看到胃电的慢波有三种节律类型。主要的节律为每分钟5.4±0.3次,称慢波或主波,是所有狗胃电活动的主要节律,占总记录时间的92%。其主要特点是波形规律,节律均匀,可单独发生,亦可负载峰电活动。第二种类型为每分钟13.4±1.7次的快的慢波节律,称快慢波或快的慢波。占总记录时间的7.4%,其主要特点为不负载峰电活动,仅发生在消化间期综合肌电的静止期和不规律峰电活动期。第三种类型为早发慢波,为慢波节律中的一个慢波突然提前发生,其后紧随一个较长的时间间隔。狗胃电慢波节律的这三种类型,可为胃电图的临床应用提供参考。

Chronic experiments were performed on 10 dogs implanted with 8 bipolarsilver-silver chloride electrodes along the serous surface of the antrum and smallintestine. Effects of intracerebroventricular and intravenous injection of morphineon the migrating myoelectric complex (MMC) were observed. The results wereas follows: (1) Intravenous administration of morphine initiated the prematurephase Ⅲ of the MMC in the duodenum after 43% of the normal MMC period,but did not before 42%. (2) Morphine in a dose of 3,000...

Chronic experiments were performed on 10 dogs implanted with 8 bipolarsilver-silver chloride electrodes along the serous surface of the antrum and smallintestine. Effects of intracerebroventricular and intravenous injection of morphineon the migrating myoelectric complex (MMC) were observed. The results wereas follows: (1) Intravenous administration of morphine initiated the prematurephase Ⅲ of the MMC in the duodenum after 43% of the normal MMC period,but did not before 42%. (2) Morphine in a dose of 3,000 μg given intravenouslyprolonged the spontaneous MMC period and inhibited the antral slow wave fre-quency for a long period of time. But morphine of 300 μg did not affect the MMCperiod and the antral slow wave frequency. (3) After intracerebroventricularadministration of morphine, the inhibited gastrointestinal slow wave was observed,first in the distal small intestine, then migrated orally. This was immediatelyfollowed by increased spike potentials in the entire intestine. In the duodenumthe spike potentials of spasm contraction were observed, which were accompaniedby the prodromal signs and vomiting. The spontaneous MMC period was prolongedand the antral slow wave frequency was inhibited for a long time. (4) Transectionof the bilateral supradiaphragmatic vagus nerves abolished the effect of intracere-broventricular injection of morphine on the gastrointestinal myoelectric activity,but induced the prodromal signs and vomiting.

用10只狗作慢性实验,沿胃窦、小肠缝植8对银-氯化银双极电极,观察脑室和静脉注射吗啡对移行性综合肌电(migrating myoelectric complex,MMC)的影响。结果:(1)在十二指肠MMC周期时程的43%以后,静脉注射吗啡能诱发MMCⅢ相活动提前发生;在42%以内则无效应。(2)静脉注射3,000μg吗啡后,MMC周期延长,胃窦慢波频率减少;静脉注射300μg吗啡,对MMC周期时程和胃窦慢波频率无影响。(3 )脑室注射吗啡后,胃、小肠慢波首先发生自下而上的逆行性抑制,随之各部位峰电活动增多,十二指肠还发生痉挛性收缩的峰电活动,动物伴有呕吐的前驱症状和呕吐,MMC周期延长,胃窦慢波频率减少。(4)切断双侧膈上迷走神经后,脑室注射吗啡对胃和小肠肌电活动影响消失,但呕吐及其前驱症状仍然发生。

In order to detect the effects of Erythromycin (EM)on myoelectric activity of small bowel, 5bipolar electrods have been chronically implanted on the serosal surface of the Small bowel, and EM was injected into the duodenum or the end of ileum. We found: (1)EM can induce an irregular spike activity immediately when it was injected into the duodenum, which lasting for 20-120 seconds, and a premature phase Ⅲ was induced after 22 minutes too.(2)EM can also induce a premature phase Ⅲ which star ted in duodenum when...

In order to detect the effects of Erythromycin (EM)on myoelectric activity of small bowel, 5bipolar electrods have been chronically implanted on the serosal surface of the Small bowel, and EM was injected into the duodenum or the end of ileum. We found: (1)EM can induce an irregular spike activity immediately when it was injected into the duodenum, which lasting for 20-120 seconds, and a premature phase Ⅲ was induced after 22 minutes too.(2)EM can also induce a premature phase Ⅲ which star ted in duodenum when it was injected into the end of ileum, but without local irregular spiking activity.

在6只狗的小肠浆膜面各埋植5对双极电极,观察在禁食情况下从十二指肠和回肠末端的肠腔内注入红霉素后对小肠电活动的影响。结果发现十二指肠注入红霉素后,立即在注药局部诱发出不规律的峰电活动,持续20~120秒;在22分钟左右,在十二指肠部位诱发出提前发生的Ⅲ相。回肠末端注入红霉素后,同样能诱发起自十二指肠的早发Ⅲ相,但缺乏局部的峰电活动。以上结果提示,小肠不同部位注入红霉素能诱发IDMECⅢ相提前发生,这可能与红霉素吸收后通过循环引起胃动素释放有关,但十二指肠局部还存在有对红霉素直接反应的受体。

 
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