三种运动轴突的兴奋性特性。
The excitable properties of three types of motor axons.
作者信息
ADELMAN W J
出版信息
J Gen Physiol. 1956 Nov 20;40(2):251-62. doi: 10.1085/jgp.40.2.251.
Abstract
- Three anatomically different types of lobster motor axons have been shown to possess different excitabilities under identical conditions. 2. The type, openers, which fired the longest trains of repetitive responses also had the lowest rheobase values, the longest utilization times, and the least accommodation. 3. A relationship between the time course of the local potential and the time course of the excitatory state has been disclosed. 4. The characterization of the excitatory state by simple two factor equations has been discussed and found to be only approximate since both the excitatory state and the local response tend to be somewhat oscillatory.
摘要
- 研究表明，三种解剖结构不同类型的龙虾运动轴突在相同条件下具有不同的兴奋性。2. 开口肌类型的轴突能够产生最长的重复反应序列，其基强度值最低，利用时间最长，适应性最小。3. 已揭示局部电位的时间进程与兴奋状态的时间进程之间的关系。4. 已讨论用简单的双因素方程对兴奋状态进行表征，发现这只是近似的，因为兴奋状态和局部反应都倾向于有一定程度的振荡。
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