The Na+ channel conundrum: axon structure versus function

被引:4
作者
Johnston, Daniel [1 ]
机构
[1] Univ Texas Austin, Ctr Learning & Memory, Austin, TX 78712 USA
关键词
NEOCORTICAL PYRAMIDAL NEURONS; ACTION-POTENTIAL INITIATION; SODIUM-CHANNELS; GENERATION; SEGMENT; RAT;
D O I
10.1038/nn0710-784
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
High Na+ channel density is thought to underlie the axon initial segment's (AIS's) low action potential initiation threshold, but a new study estimates functional Na+ channel density in the AIS is only threefold higher than in the soma.
引用
收藏
页码:784 / 785
页数:3
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