小龙虾神经肌肉接头处易化过程中统计参数的变化。
Changes in statistical parameters during facilitation at the crayfish neuromuscular junction.
作者信息
Wernig A
出版信息
J Physiol. 1972 Nov;226(3):751-9. doi: 10.1113/jphysiol.1972.sp010007.
Abstract
- Transmitter release at excitatory neuromuscular junctions of the crayfish was studied at different frequencies of stimulation ranging from 1/sec to 20/sec.2. Over this frequency range the average number of quanta released per stimulus (m) increased with frequency by a factor of 6-7.3. Analysis of the fluctuations in quantal release using binomial statistics indicated that the increase in m was associated with increase in the average quantal release probability (p) at stimulation frequencies between 5/sec and 20/sec. Between 1/sec and 5/sec there was an apparent increase in the number of quanta available for release (n).
摘要
研究了小龙虾兴奋性神经肌肉接头在1/秒至20/秒不同刺激频率下的递质释放情况。
在这个频率范围内，每个刺激释放的平均量子数（m）随频率增加了6 - 7倍。
使用二项式统计分析量子释放的波动情况表明，在5/秒至20/秒的刺激频率下，m的增加与平均量子释放概率（p）的增加有关。在1/秒至5/秒之间，可用于释放的量子数（n）明显增加。
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