| 乙酰胆碱对青蛙松果体中光敏神经节细胞自发放电的影响 |
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| 引用本文： | 王荫亭,H.Meissl,E.Dodt.乙酰胆碱对青蛙松果体中光敏神经节细胞自发放电的影响[J].生物物理学报,1988,4(3):264-267. |
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| 作者姓名： | 王荫亭 H.Meissl E.Dodt |
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| 作者单位： | 中国科学院生物物理研究所 北京
(王荫亭)，马普学会生理临床研究所 联邦德国
(H.Meissl)，马普学会生理临床研究所 联邦德国(E.Dodt) |
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| 摘 要： | 本实验应用微量离子电泳技术,研究了乙酰胆碱对明或暗适应状态青蛙(Rana esculenta)松果体无色感或光敏神经元(Achromatic or Lumninance neuron)自发放电的影响.在所检测过的124个神经元中,乙酶胆碱导致其自发放电频率显著上升的大约占82%,另外有2%的神经元对乙酰胆碱的反应为抑制性,其余的16%无反应.乙酰胆碱引起的这种兴奋性反应具有剂量相关性,可逆性和重复性.
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THE EFFECT OF ACETYLCHOLINE ON THE SPONTANEOUS DISCHARGE OF THE ACHROMATIC GANGLION CELLS IN PINEAL ORGAN OF THE FROG |
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| Abstract: | The effect of microiontophoretically applied acetycholine (ACh) on achromatic (or Lumninance) neurons were studied in light-and dark-adapted photosensory pineal organs of the frog, Rana esculenta. Acetylcholine caused a significant increase of the maintained activity in about 82% (n = 124) of pineal neurons sampled. In addition, approximately 2% of the pineal neurons examined had inhibitory responses to acetylcholine, while 20 neurons(16%) were unresponsive, The dose-related ACh-induced excitation was reversible and reproducible. |
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